40 C.F.R. § 81.325
Current through October 31, 2024
Mississippi-TSP
| Designated area | Does not meet primary standards | Does not meet secondary standards | Cannot be classified | Better than national standards |
| Adams County | X | |||
| Alcorn County | X | |||
| Amite County | X | |||
| Attala County | X | |||
| Benton County | X | |||
| Bolivar County | X | |||
| Calhoun County | X | |||
| Carroll County | X | |||
| Chickasaw County | X | |||
| Choctaw County | X | |||
| Clairborne County | X | |||
| Clarke County | X | |||
| Clay County | X | |||
| Coahoma County | X | |||
| Copiah County | X | |||
| Covington County | X | |||
| DeSoto County | X | |||
| Forrest County | X | |||
| Franklin County | X | |||
| George County | X | |||
| Greene County | X | |||
| Grenada County | X | |||
| Hancock County | X | |||
| Harrison County | X | |||
| Hinds County | X | |||
| Holmes County | X | |||
| Humphreys County | X | |||
| Issaquena County | X | |||
| Ittawamba County | X | |||
| Jackson County | X | |||
| Jasper County | X | |||
| Jefferson County | X | |||
| Jefferson Davis County | X | |||
| Jones County | X | |||
| Kemper County | X | |||
| Lafayette County | X | |||
| Lamar County | X | |||
| Lauderdale County | X | |||
| Lawerence County | X | |||
| Leake County | X | |||
| Lee County | X | |||
| Leflore County | X | |||
| Lincoln County | X | |||
| Lowndes County | X | |||
| Madison County | X | |||
| Marion County | X | |||
| Marshall County | X | |||
| Monroe County | X | |||
| Montgomery County | X | |||
| Neshoba County | X | |||
| Newton County | X | |||
| Noxubee County | X | |||
| Oktibbeha County | X | |||
| Panola County | X | |||
| Pearl River County | X | |||
| Perry County | X | |||
| Pike County | X | |||
| Pontotoc County | X | |||
| Prentiss County | X | |||
| Quitman County | X | |||
| Rankin County | X | |||
| Scott County | X | |||
| Sharkey County | X | |||
| Simpson County | X | |||
| Smith County | X | |||
| Stone County | X | |||
| Sunflower County | X | |||
| Tallahatchie County | X | |||
| Tate County | X | |||
| Tippah County | X | |||
| Tishomingo County | X | |||
| Tunica County | X | |||
| Union County | X | |||
| Walthall County | X | |||
| Warren County | X | |||
| Washington County | X | |||
| Wayne County | X | |||
| Webster County | X | |||
| Wilkinson County | X | |||
| Winston County | X | |||
| Yalobusha County | X | |||
| Yazoo County | X |
Mississippi-1971 Sulfur Dioxide NAAQS
[Primary and Secondary]
| Designated area | Does not meet primary standards | Does not meet secondary standards | Cannot be classified | Better than national standards |
| Adams County | X | |||
| Alcorn County | X | |||
| Amite County | X | |||
| Attala County | X | |||
| Benton County | X | |||
| Bolivar County | X | |||
| Calhoun County | X | |||
| Carroll County | X | |||
| Chickasaw County | X | |||
| Choctaw County | X | |||
| Clairborne County | X | |||
| Clarke County | X | |||
| Clay County | X | |||
| Coahoma County | X | |||
| Copiah County | X | |||
| Covington County | X | |||
| DeSoto County | X | |||
| Forest County | X | |||
| Franklin County | X | |||
| George County | X | |||
| Greene County | X | |||
| Grenada County | X | |||
| Hancock County | X | |||
| Harrison County | X | |||
| Hinds County | X | |||
| Holmes County | X | |||
| Humphreys County | X | |||
| Issaquena County | X | |||
| Ittawamba County | X | |||
| Jackson County | X | |||
| Jasper County | X | |||
| Jefferson County | X | |||
| Jefferson Davis County | X | |||
| Jones County | X | |||
| Kemper County | X | |||
| Lafayette County | X | |||
| Lamar County | X | |||
| Lauderdale County | X | |||
| Lawrence County | X | |||
| Leake County | X | |||
| Lee County | X | |||
| Leflore County | X | |||
| Lincoln County | X | |||
| Lowndes County | X | |||
| Madison County | X | |||
| Marion County | X | |||
| Marshall County | X | |||
| Monroe County | X | |||
| Montgomery County | X | |||
| Neshoba County | X | |||
| Newton County | X | |||
| Noxubee County | X | |||
| Oktibbeha County | X | |||
| Panola County | X | |||
| Pearl River County | X | |||
| Perry County | X | |||
| Pike County | X | |||
| Pontotoc County | X | |||
| Prentiss County | X | |||
| Quitman County | X | |||
| Rankin County | X | |||
| Scott County | X | |||
| Sharkey County | X | |||
| Simpson County | X | |||
| Smith County | X | |||
| Stone County | X | |||
| Sunflower County | X | |||
| Tallahatchie County | X | |||
| Tate County | X | |||
| Tippah County | X | |||
| Tishomingo County | X | |||
| Tunica County | X | |||
| Union County | X | |||
| Walthall County | X | |||
| Warren County | X | |||
| Washington County | X | |||
| Wayne County | X | |||
| Webster County | X | |||
| Wilkinson County | X | |||
| Winston County | X | |||
| Yalobusha County | X | |||
| Yazoo County | X |
Mississippi-2010 Sulfur Dioxide NAAQS
[Primary]
| Designated area1 | Designation | |
| Date2 | Type | |
| Adams County | Attainment/Unclassifiable. | |
| Alcorn County | Attainment/Unclassifiable. | |
| Amite County | Attainment/Unclassifiable. | |
| Attala County | Attainment/Unclassifiable. | |
| Benton County | Attainment/Unclassifiable. | |
| Bolivar County | Attainment/Unclassifiable. | |
| Calhoun County | Attainment/Unclassifiable. | |
| Carroll County | Attainment/Unclassifiable. | |
| Chickasaw County | Attainment/Unclassifiable. | |
| Choctaw County | Attainment/Unclassifiable. | |
| Claiborne County | Attainment/Unclassifiable. | |
| Clarke County | Attainment/Unclassifiable. | |
| Clay County | Attainment/Unclassifiable. | |
| Coahoma County | Attainment/Unclassifiable. | |
| Copiah County | Attainment/Unclassifiable. | |
| Covington County | Attainment/Unclassifiable. | |
| DeSoto County | Attainment/Unclassifiable. | |
| Forrest County | Attainment/Unclassifiable. | |
| Franklin County | Attainment/Unclassifiable. | |
| George County | Attainment/Unclassifiable. | |
| Greene County | Attainment/Unclassifiable. | |
| Grenada County | Attainment/Unclassifiable. | |
| Hancock County | Attainment/Unclassifiable. | |
| Harrison County | Attainment/Unclassifiable. | |
| Hinds County | Attainment/Unclassifiable. | |
| Holmes County | Attainment/Unclassifiable. | |
| Humphreys County | Attainment/Unclassifiable. | |
| Issaquena County | Attainment/Unclassifiable. | |
| Itawamba County | Attainment/Unclassifiable. | |
| Jackson County | Attainment/Unclassifiable. | |
| Jasper County | Attainment/Unclassifiable. | |
| Jefferson County | Attainment/Unclassifiable. | |
| Jefferson Davis County | Attainment/Unclassifiable. | |
| Jones County | Attainment/Unclassifiable. | |
| Kemper County | Attainment/Unclassifiable. | |
| Lafayette County | Attainment/Unclassifiable. | |
| Lamar County, MS | 9/12/16 | Attainment/Unclassifiable. |
| Lauderdale County | Attainment/Unclassifiable. | |
| Lawrence County | Attainment/Unclassifiable. | |
| Leake County | Attainment/Unclassifiable. | |
| Lee County | Attainment/Unclassifiable. | |
| Leflore County | Attainment/Unclassifiable. | |
| Lincoln County | Attainment/Unclassifiable. | |
| Lowndes County | Attainment/Unclassifiable. | |
| Madison County | Attainment/Unclassifiable. | |
| Marion County | Attainment/Unclassifiable. | |
| Marshall County | Attainment/Unclassifiable. | |
| Monroe County | Attainment/Unclassifiable. | |
| Montgomery County | Attainment/Unclassifiable. | |
| Neshoba County | Attainment/Unclassifiable. | |
| Newton County | Attainment/Unclassifiable. | |
| Noxubee County | Attainment/Unclassifiable. | |
| Oktibbeha County | Attainment/Unclassifiable. | |
| Panola County | Attainment/Unclassifiable. | |
| Pearl River County | Attainment/Unclassifiable. | |
| Perry County | Attainment/Unclassifiable. | |
| Pike County | Attainment/Unclassifiable. | |
| Pontotoc County | Attainment/Unclassifiable. | |
| Prentiss County | Attainment/Unclassifiable. | |
| Quitman County | Attainment/Unclassifiable. | |
| Rankin County | Attainment/Unclassifiable. | |
| Scott County | Attainment/Unclassifiable. | |
| Sharkey County | Attainment/Unclassifiable. | |
| Simpson County | Attainment/Unclassifiable. | |
| Smith County | Attainment/Unclassifiable. | |
| Stone County | Attainment/Unclassifiable. | |
| Sunflower County | Attainment/Unclassifiable. | |
| Tallahatchie County | Attainment/Unclassifiable. | |
| Tate County | Attainment/Unclassifiable. | |
| Tippah County | Attainment/Unclassifiable. | |
| Tishomingo County | Attainment/Unclassifiable. | |
| Tunica County | Attainment/Unclassifiable. | |
| Union County | Attainment/Unclassifiable. | |
| Walthall County | Attainment/Unclassifiable. | |
| Warren County | Attainment/Unclassifiable. | |
| Washington County | Attainment/Unclassifiable. | |
| Wayne County | Attainment/Unclassifiable. | |
| Webster County | Attainment/Unclassifiable. | |
| Wilkinson County | Attainment/Unclassifiable. | |
| Winston County | Attainment/Unclassifiable. | |
| Yalobusha County | Attainment/Unclassifiable. | |
| Yazoo County | Attainment/Unclassifiable. | |
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is April 9, 2018, unless otherwise noted.
Mississippi-Carbon Monoxide
| Designated Area | Designation | Classification | ||
| Date1 | Type | Date1 | Type | |
| Statewide | Unclassifiable/Attainment | |||
| Adams County | ||||
| Alcorn County | ||||
| Amite County | ||||
| Attala County | ||||
| Benton County | ||||
| Bolivar County | ||||
| Calhoun County | ||||
| Carroll County | ||||
| Chickasaw County | ||||
| Choctaw County | ||||
| Claiborne County | ||||
| Clarke County | ||||
| Clay County | ||||
| Coahoma County | ||||
| Copiah County | ||||
| Covington County | ||||
| DeSoto County | ||||
| Forrest County | ||||
| Franklin County | ||||
| George County | ||||
| Greene County | ||||
| Grenada County | ||||
| Hancock County | ||||
| Harrison County | ||||
| Hinds County | ||||
| Holmes County | ||||
| Humphreys County | ||||
| Issaquena County | ||||
| Itawamba County | ||||
| Jackson County | ||||
| Jasper County | ||||
| Jefferson County | ||||
| Jefferson Davis County | ||||
| Jones County | ||||
| Kemper County | ||||
| Lafayette County | ||||
| Lamar County | ||||
| Lauderdale County | ||||
| Lawrence County | ||||
| Leake County | ||||
| Lee County | ||||
| Leflore County | ||||
| Lincoln County | ||||
| Lowndes County | ||||
| Madison County | ||||
| Marion County | ||||
| Marshall County | ||||
| Monroe County | ||||
| Montgomery County | ||||
| Neshoba County | ||||
| Newton County | ||||
| Noxubee County | ||||
| Oktibbeha County | ||||
| Panola County | ||||
| Pearl River County | ||||
| Perry County | ||||
| Pike County | ||||
| Pontotoc County | ||||
| Prentiss County | ||||
| Quitman County | ||||
| Rankin County | ||||
| Scott County | ||||
| Sharkey County | ||||
| Simpson County | ||||
| Smith County | ||||
| Stone County | ||||
| Sunflower County | ||||
| Tallahatchie County | ||||
| Tate County | ||||
| Tippah County | ||||
| Tishomingo County | ||||
| Tunica County | ||||
| Union County | ||||
| Walthall County | ||||
| Warren County | ||||
| Washington County | ||||
| Wayne County | ||||
| Webster County | ||||
| Wilkinson County | ||||
| Winston County | ||||
| Yalobusha County | ||||
| Yazoo County | ||||
1 This date is November 15, 1990, unless otherwise noted.
Mississippi-Ozone (1-Hour Standard)2
| Designated area | Designation | Classification | ||
| Date1 | Type | Date1 | Type | |
| Memphis: | ||||
| De Soto County | 11/15/90 | Unclassifiable/Attainment | 11/15/90 | |
| Statewide | Unclassifiable/Attainment | |||
| Adams County | ||||
| Alcorn County | ||||
| Amite County | ||||
| Attala County | ||||
| Benton County | ||||
| Bolivar County | ||||
| Calhoun County | ||||
| Carroll County | ||||
| Chickasaw County | ||||
| Choctaw County | ||||
| Claiborne County | ||||
| Clarke County | ||||
| Clay County | ||||
| Coahoma County | ||||
| Copiah County | ||||
| Covington County | ||||
| Forrest County | ||||
| Franklin County | ||||
| George County | ||||
| Greene County | ||||
| Grenada County | ||||
| Hancock County | ||||
| Harrison County | ||||
| Hinds County | ||||
| Holmes County | ||||
| Humphreys County | ||||
| Issaquena County | ||||
| Itawamba County | ||||
| Jackson County | ||||
| Jasper County | ||||
| Jefferson County | ||||
| Jefferson Davis County | ||||
| Jones County | ||||
| Kemper County | ||||
| Lafayette County | ||||
| Lamar County | ||||
| Lauderdale County | ||||
| Lawrence County | ||||
| Leake County | ||||
| Lee County | ||||
| Leflore County | ||||
| Lincoln County | ||||
| Lowndes County | ||||
| Madison County | ||||
| Marion County | ||||
| Marshall County | ||||
| Monroe County | ||||
| Montgomery County | ||||
| Neshoba County | ||||
| Newton County | ||||
| Noxubee County | ||||
| Oktibbeha County | ||||
| Panola County | ||||
| Pearl River County | ||||
| Perry County | ||||
| Pike County | ||||
| Pontotoc County | ||||
| Prentiss County | ||||
| Quitman County | ||||
| Rankin County | ||||
| Scott County | ||||
| Sharkey County | ||||
| Simpson County | ||||
| Smith County | ||||
| Stone County | ||||
| Sunflower County | ||||
| Tallahatchie County | ||||
| Tate County | ||||
| Tippah County | ||||
| Tishomingo County | ||||
| Tunica County | ||||
| Union County | ||||
| Walthall County | ||||
| Warren County | ||||
| Washington County | ||||
| Wayne County | ||||
| Webster County | ||||
| Wilkinson County | ||||
| Winston County | ||||
| Yalobusha County | ||||
| Yazoo County | ||||
1 This date is October 18, 2000, unless otherwise noted.
2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Mississippi.
Mississippi-1997 Annual PM2.5 NAAQS
[Primary and Secondary]
| Designated area | Designationa | Classification | ||
| Date1 | Type | Date | Type | |
| Statewide: | ||||
| Adams County | Unclassifiable/Attainment. | |||
| Alcorn County | Unclassifiable/Attainment. | |||
| Amite County | Unclassifiable/Attainment. | |||
| Attala County | Unclassifiable/Attainment. | |||
| Benton County | Unclassifiable/Attainment. | |||
| Bolivar County | Unclassifiable/Attainment. | |||
| Calhoun County | Unclassifiable/Attainment. | |||
| Carroll County | Unclassifiable/Attainment. | |||
| Chickasaw County | Unclassifiable/Attainment. | |||
| Choctaw County | Unclassifiable/Attainment. | |||
| Claiborne County | Unclassifiable/Attainment. | |||
| Clarke County | Unclassifiable/Attainment. | |||
| Clay County | Unclassifiable/Attainment. | |||
| Coahoma County | Unclassifiable/Attainment. | |||
| Copiah County | Unclassifiable/Attainment. | |||
| Covington County | Unclassifiable/Attainment. | |||
| DeSoto County | Unclassifiable/Attainment. | |||
| Forrest County | Unclassifiable/Attainment. | |||
| Franklin County | Unclassifiable/Attainment. | |||
| George County | Unclassifiable/Attainment. | |||
| Greene County | Unclassifiable/Attainment. | |||
| Grenada County | Unclassifiable/Attainment. | |||
| Hancock County | Unclassifiable/Attainment. | |||
| Harrison County | Unclassifiable/Attainment. | |||
| Hinds County | Unclassifiable/Attainment. | |||
| Holmes County | Unclassifiable/Attainment. | |||
| Humphreys County | Unclassifiable/Attainment. | |||
| Issaquena County | Unclassifiable/Attainment. | |||
| Itawamba County | Unclassifiable/Attainment. | |||
| Jackson County | Unclassifiable/Attainment. | |||
| Jasper County | Unclassifiable/Attainment. | |||
| Jefferson County | Unclassifiable/Attainment. | |||
| Jefferson Davis County | Unclassifiable/Attainment. | |||
| Jones County | Unclassifiable/Attainment. | |||
| Kemper County | Unclassifiable/Attainment. | |||
| Lafayette County | Unclassifiable/Attainment. | |||
| Lamar County | Unclassifiable/Attainment. | |||
| Lauderdale County | Unclassifiable/Attainment. | |||
| Lawrence County | Unclassifiable/Attainment. | |||
| Leake County | Unclassifiable/Attainment. | |||
| Lee County | Unclassifiable/Attainment. | |||
| Leflore County | Unclassifiable/Attainment. | |||
| Lincoln County | Unclassifiable/Attainment. | |||
| Lowndes County | Unclassifiable/Attainment. | |||
| Madison County | Unclassifiable/Attainment. | |||
| Marion County | Unclassifiable/Attainment. | |||
| Marshall County | Unclassifiable/Attainment. | |||
| Monroe County | Unclassifiable/Attainment. | |||
| Montgomery County | Unclassifiable/Attainment. | |||
| Neshoba County | Unclassifiable/Attainment. | |||
| Newton County | Unclassifiable/Attainment. | |||
| Noxubee County | Unclassifiable/Attainment. | |||
| Oktibbeha County | Unclassifiable/Attainment. | |||
| Panola County | Unclassifiable/Attainment. | |||
| Pearl River County | Unclassifiable/Attainment. | |||
| Perry County | Unclassifiable/Attainment. | |||
| Pike County | Unclassifiable/Attainment. | |||
| Pontotoc County | Unclassifiable/Attainment. | |||
| Prentiss County | Unclassifiable/Attainment. | |||
| Quitman County | Unclassifiable/Attainment. | |||
| Rankin County | Unclassifiable/Attainment. | |||
| Scott County | Unclassifiable/Attainment. | |||
| Sharkey County | Unclassifiable/Attainment. | |||
| Simpson County | Unclassifiable/Attainment. | |||
| Smith County | Unclassifiable/Attainment. | |||
| Stone County | Unclassifiable/Attainment. | |||
| Sunflower County | Unclassifiable/Attainment. | |||
| Tallahatchie County | Unclassifiable/Attainment. | |||
| Tate County | Unclassifiable/Attainment. | |||
| Tippah County | Unclassifiable/Attainment. | |||
| Tishomingo County | Unclassifiable/Attainment. | |||
| Tunica County | Unclassifiable/Attainment. | |||
| Union County | Unclassifiable/Attainment. | |||
| Walthall County | Unclassifiable/Attainment. | |||
| Warren County | Unclassifiable/Attainment. | |||
| Washington County | Unclassifiable/Attainment. | |||
| Wayne County | Unclassifiable/Attainment. | |||
| Webster County | Unclassifiable/Attainment. | |||
| Wilkinson County | Unclassifiable/Attainment. | |||
| Winston County | Unclassifiable/Attainment. | |||
| Yalobusha County | Unclassifiable/Attainment. | |||
| Yazoo County | Unclassifiable/Attainment. | |||
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Mississippi-2012 Annual PM2.5 NAAQS
[Primary]
| Designated area1 | Designation | Classification | ||
| Date2 | Type | Date2 | Type | |
| Statewide: | ||||
| Adams County | Unclassifiable/Attainment | |||
| Alcorn County | Unclassifiable/Attainment | |||
| Amite County | Unclassifiable/Attainment | |||
| Attala County | Unclassifiable/Attainment | |||
| Benton County | Unclassifiable/Attainment | |||
| Bolivar County | Unclassifiable/Attainment | |||
| Calhoun County | Unclassifiable/Attainment | |||
| Carroll County | Unclassifiable/Attainment | |||
| Chickasaw County | Unclassifiable/Attainment | |||
| Choctaw County | Unclassifiable/Attainment | |||
| Claiborne County | Unclassifiable/Attainment | |||
| Clarke County | Unclassifiable/Attainment | |||
| Clay County | Unclassifiable/Attainment | |||
| Coahoma County | Unclassifiable/Attainment | |||
| Copiah County | Unclassifiable/Attainment | |||
| Covington County | Unclassifiable/Attainment | |||
| DeSoto County | Unclassifiable/Attainment | |||
| Forrest County | Unclassifiable/Attainment | |||
| Franklin County | Unclassifiable/Attainment | |||
| George County | Unclassifiable/Attainment | |||
| Greene County | Unclassifiable/Attainment | |||
| Grenada County | Unclassifiable/Attainment | |||
| Hancock County | Unclassifiable/Attainment | |||
| Harrison County | Unclassifiable/Attainment | |||
| Hinds County | Unclassifiable/Attainment | |||
| Holmes County | Unclassifiable/Attainment | |||
| Humphreys County | Unclassifiable/Attainment | |||
| Issaquena County | Unclassifiable/Attainment | |||
| Itawamba County | Unclassifiable/Attainment | |||
| Jackson County | Unclassifiable/Attainment | |||
| Jasper County | Unclassifiable/Attainment | |||
| Jefferson County | Unclassifiable/Attainment | |||
| Jefferson Davis County | Unclassifiable/Attainment | |||
| Jones County | Unclassifiable/Attainment | |||
| Kemper County | Unclassifiable/Attainment | |||
| Lafayette County | Unclassifiable/Attainment | |||
| Lamar County | Unclassifiable/Attainment | |||
| Lauderdale County | Unclassifiable/Attainment | |||
| Lawrence County | Unclassifiable/Attainment | |||
| Leake County | Unclassifiable/Attainment | |||
| Lee County | Unclassifiable/Attainment | |||
| Leflore County | Unclassifiable/Attainment | |||
| Lincoln County | Unclassifiable/Attainment | |||
| Lowndes County | Unclassifiable/Attainment | |||
| Madison County | Unclassifiable/Attainment | |||
| Marion County | Unclassifiable/Attainment | |||
| Marshall County | Unclassifiable/Attainment | |||
| Monroe County | Unclassifiable/Attainment | |||
| Montgomery County | Unclassifiable/Attainment | |||
| Neshoba County | Unclassifiable/Attainment | |||
| Newton County | Unclassifiable/Attainment | |||
| Noxubee County | Unclassifiable/Attainment | |||
| Oktibbeha County | Unclassifiable/Attainment | |||
| Panola County | Unclassifiable/Attainment | |||
| Pearl River County | Unclassifiable/Attainment | |||
| Perry County | Unclassifiable/Attainment | |||
| Pike County | Unclassifiable/Attainment | |||
| Pontotoc County | Unclassifiable/Attainment | |||
| Prentiss County | Unclassifiable/Attainment | |||
| Quitman County | Unclassifiable/Attainment | |||
| Rankin County | Unclassifiable/Attainment | |||
| Scott County | Unclassifiable/Attainment | |||
| Sharkey County | Unclassifiable/Attainment | |||
| Simpson County | Unclassifiable/Attainment | |||
| Smith County | Unclassifiable/Attainment | |||
| Stone County | Unclassifiable/Attainment | |||
| Sunflower County | Unclassifiable/Attainment | |||
| Tallahatchie County | Unclassifiable/Attainment | |||
| Tate County | Unclassifiable/Attainment | |||
| Tippah County | Unclassifiable/Attainment | |||
| Tishomingo County | Unclassifiable/Attainment | |||
| Tunica County | Unclassifiable/Attainment | |||
| Union County | Unclassifiable/Attainment | |||
| Walthall County | Unclassifiable/Attainment | |||
| Warren County | Unclassifiable/Attainment | |||
| Washington County | Unclassifiable/Attainment | |||
| Wayne County | Unclassifiable/Attainment | |||
| Webster County | Unclassifiable/Attainment | |||
| Wilkinson County | Unclassifiable/Attainment | |||
| Winston County | Unclassifiable/Attainment | |||
| Yalobusha County | Unclassifiable/Attainment | |||
| Yazoo County | Unclassifiable/Attainment | |||
1 Includes areas of Indian country located in each county or area, except as otherwise specified.
2 This date is April 15, 2015, unless otherwise noted.
Mississippi-1997 24-Hour PM2.5 NAAQS
[Primary and Secondary]
| Designated area | Designationa | Classification | ||
| Date1 | Type | Date | Type | |
| Statewide: | ||||
| Adams County | Unclassifiable/Attainment. | |||
| Alcorn County | Unclassifiable/Attainment. | |||
| Amite County | Unclassifiable/Attainment. | |||
| Attala County | Unclassifiable/Attainment. | |||
| Benton County | Unclassifiable/Attainment. | |||
| Bolivar County | Unclassifiable/Attainment. | |||
| Calhoun County | Unclassifiable/Attainment. | |||
| Carroll County | Unclassifiable/Attainment. | |||
| Chickasaw County | Unclassifiable/Attainment. | |||
| Choctaw County | Unclassifiable/Attainment. | |||
| Claiborne County | Unclassifiable/Attainment. | |||
| Clarke County | Unclassifiable/Attainment. | |||
| Clay County | Unclassifiable/Attainment. | |||
| Coahoma County | Unclassifiable/Attainment. | |||
| Copiah County | Unclassifiable/Attainment. | |||
| Covington County | Unclassifiable/Attainment. | |||
| DeSoto County | Unclassifiable/Attainment. | |||
| Forrest County | Unclassifiable/Attainment. | |||
| Franklin County | Unclassifiable/Attainment. | |||
| George County | Unclassifiable/Attainment. | |||
| Greene County | Unclassifiable/Attainment. | |||
| Grenada County | Unclassifiable/Attainment. | |||
| Hancock County | Unclassifiable/Attainment. | |||
| Harrison County | Unclassifiable/Attainment. | |||
| Hinds County | Unclassifiable/Attainment. | |||
| Holmes County | Unclassifiable/Attainment. | |||
| Humphreys County | Unclassifiable/Attainment. | |||
| Issaquena County | Unclassifiable/Attainment. | |||
| Itawamba County | Unclassifiable/Attainment. | |||
| Jackson County | Unclassifiable/Attainment. | |||
| Jasper County | Unclassifiable/Attainment. | |||
| Jefferson County | Unclassifiable/Attainment. | |||
| Jefferson Davis County | Unclassifiable/Attainment. | |||
| Jones County | Unclassifiable/Attainment. | |||
| Kemper County | Unclassifiable/Attainment. | |||
| Lafayette County | Unclassifiable/Attainment. | |||
| Lamar County | Unclassifiable/Attainment. | |||
| Lauderdale County | Unclassifiable/Attainment. | |||
| Lawrence County | Unclassifiable/Attainment. | |||
| Leake County | Unclassifiable/Attainment. | |||
| Lee County | Unclassifiable/Attainment. | |||
| Leflore County | Unclassifiable/Attainment. | |||
| Lincoln County | Unclassifiable/Attainment. | |||
| Lowndes County | Unclassifiable/Attainment. | |||
| Madison County | Unclassifiable/Attainment. | |||
| Marion County | Unclassifiable/Attainment. | |||
| Marshall County | Unclassifiable/Attainment. | |||
| Monroe County | Unclassifiable/Attainment. | |||
| Montgomery County | Unclassifiable/Attainment. | |||
| Neshoba County | Unclassifiable/Attainment. | |||
| Newton County | Unclassifiable/Attainment. | |||
| Noxubee County | Unclassifiable/Attainment. | |||
| Oktibbeha County | Unclassifiable/Attainment. | |||
| Panola County | Unclassifiable/Attainment. | |||
| Pearl River County | Unclassifiable/Attainment. | |||
| Perry County | Unclassifiable/Attainment. | |||
| Pike County | Unclassifiable/Attainment. | |||
| Pontotoc County | Unclassifiable/Attainment. | |||
| Prentiss County | Unclassifiable/Attainment. | |||
| Quitman County | Unclassifiable/Attainment. | |||
| Rankin County | Unclassifiable/Attainment. | |||
| Scott County | Unclassifiable/Attainment. | |||
| Sharkey County | Unclassifiable/Attainment. | |||
| Simpson County | Unclassifiable/Attainment. | |||
| Smith County | Unclassifiable/Attainment. | |||
| Stone County | Unclassifiable/Attainment. | |||
| Sunflower County | Unclassifiable/Attainment. | |||
| Tallahatchie County | Unclassifiable/Attainment. | |||
| Tate County | Unclassifiable/Attainment. | |||
| Tippah County | Unclassifiable/Attainment. | |||
| Tishomingo County | Unclassifiable/Attainment. | |||
| Tunica County | Unclassifiable/Attainment. | |||
| Union County | Unclassifiable/Attainment. | |||
| Walthall County | Unclassifiable/Attainment. | |||
| Warren County | Unclassifiable/Attainment. | |||
| Washington County | Unclassifiable/Attainment. | |||
| Wayne County | Unclassifiable/Attainment. | |||
| Webster County | Unclassifiable/Attainment. | |||
| Wilkinson County | Unclassifiable/Attainment. | |||
| Winston County | Unclassifiable/Attainment. | |||
| Yalobusha County | Unclassifiable/Attainment. | |||
| Yazoo County | Unclassifiable/Attainment. | |||
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after January 5, 2005, unless otherwise noted.
Mississippi-2006 24-Hour PM2.5 NAAQS
[Primary and Secondary]
| Designated area | Designationa | Classification | ||
| Date1 | Type | Date | Type | |
| Statewide: | ||||
| Adams County | Unclassifiable/Attainment. | |||
| Alcorn County | Unclassifiable/Attainment. | |||
| Amite County | Unclassifiable/Attainment. | |||
| Attala County | Unclassifiable/Attainment. | |||
| Benton County | Unclassifiable/Attainment. | |||
| Bolivar County | Unclassifiable/Attainment. | |||
| Calhoun County | Unclassifiable/Attainment. | |||
| Carroll County | Unclassifiable/Attainment. | |||
| Chickasaw County | Unclassifiable/Attainment. | |||
| Choctaw County | Unclassifiable/Attainment. | |||
| Claiborne County | Unclassifiable/Attainment. | |||
| Clarke County | Unclassifiable/Attainment. | |||
| Clay County | Unclassifiable/Attainment. | |||
| Coahoma County | Unclassifiable/Attainment. | |||
| Copiah County | Unclassifiable/Attainment. | |||
| Covington County | Unclassifiable/Attainment. | |||
| DeSoto County | Unclassifiable/Attainment. | |||
| Forrest County | Unclassifiable/Attainment. | |||
| Franklin County | Unclassifiable/Attainment. | |||
| George County | Unclassifiable/Attainment. | |||
| Greene County | Unclassifiable/Attainment. | |||
| Grenada County | Unclassifiable/Attainment. | |||
| Hancock County | Unclassifiable/Attainment. | |||
| Harrison County | Unclassifiable/Attainment. | |||
| Hinds County | Unclassifiable/Attainment. | |||
| Holmes County | Unclassifiable/Attainment. | |||
| Humphreys County | Unclassifiable/Attainment. | |||
| Issaquena County | Unclassifiable/Attainment. | |||
| Itawamba County | Unclassifiable/Attainment. | |||
| Jackson County | Unclassifiable/Attainment. | |||
| Jasper County | Unclassifiable/Attainment. | |||
| Jefferson County | Unclassifiable/Attainment. | |||
| Jefferson Davis County | Unclassifiable/Attainment. | |||
| Jones County | Unclassifiable/Attainment. | |||
| Kemper County | Unclassifiable/Attainment. | |||
| Lafayette County | Unclassifiable/Attainment. | |||
| Lamar County | Unclassifiable/Attainment. | |||
| Lauderdale County | Unclassifiable/Attainment. | |||
| Lawrence County | Unclassifiable/Attainment. | |||
| Leake County | Unclassifiable/Attainment. | |||
| Lee County | Unclassifiable/Attainment. | |||
| Leflore County | Unclassifiable/Attainment. | |||
| Lincoln County | Unclassifiable/Attainment. | |||
| Lowndes County | Unclassifiable/Attainment. | |||
| Madison County | Unclassifiable/Attainment. | |||
| Marion County | Unclassifiable/Attainment. | |||
| Marshall County | Unclassifiable/Attainment. | |||
| Monroe County | Unclassifiable/Attainment. | |||
| Montgomery County | Unclassifiable/Attainment. | |||
| Neshoba County | Unclassifiable/Attainment. | |||
| Newton County | Unclassifiable/Attainment. | |||
| Noxubee County | Unclassifiable/Attainment. | |||
| Oktibbeha County | Unclassifiable/Attainment. | |||
| Panola County | Unclassifiable/Attainment. | |||
| Pearl River County | Unclassifiable/Attainment. | |||
| Perry County | Unclassifiable/Attainment. | |||
| Pike County | Unclassifiable/Attainment. | |||
| Pontotoc County | Unclassifiable/Attainment. | |||
| Prentiss County | Unclassifiable/Attainment. | |||
| Quitman County | Unclassifiable/Attainment. | |||
| Rankin County | Unclassifiable/Attainment. | |||
| Scott County | Unclassifiable/Attainment. | |||
| Sharkey County | Unclassifiable/Attainment. | |||
| Simpson County | Unclassifiable/Attainment. | |||
| Smith County | Unclassifiable/Attainment. | |||
| Stone County | Unclassifiable/Attainment. | |||
| Sunflower County | Unclassifiable/Attainment. | |||
| Tallahatchie County | Unclassifiable/Attainment. | |||
| Tate County | Unclassifiable/Attainment. | |||
| Tippah County | Unclassifiable/Attainment. | |||
| Tishomingo County | Unclassifiable/Attainment. | |||
| Tunica County | Unclassifiable/Attainment. | |||
| Union County | Unclassifiable/Attainment. | |||
| Walthall County | Unclassifiable/Attainment. | |||
| Warren County | Unclassifiable/Attainment. | |||
| Washington County | Unclassifiable/Attainment. | |||
| Wayne County | Unclassifiable/Attainment. | |||
| Webster County | Unclassifiable/Attainment. | |||
| Wilkinson County | Unclassifiable/Attainment. | |||
| Winston County | Unclassifiable/Attainment. | |||
| Yalobusha County | Unclassifiable/Attainment. | |||
| Yazoo County | Unclassifiable/Attainment. | |||
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 30 days after November 13, 2009, unless otherwise noted.
Mississippi-NO2 (1971 Annual Standard)
| Designated area | Does not meet primary standards | Cannot be classified or better than national standards |
| Statewide | X |
Mississippi-NO2 (2010 1-Hour Standard)
| Designated area | Designationa | |
| Date1 | Type | |
| Adams County | Unclassifiable/Attainment. | |
| Alcorn County | Unclassifiable/Attainment. | |
| Amite County | Unclassifiable/Attainment. | |
| Attala County | Unclassifiable/Attainment. | |
| Benton County | Unclassifiable/Attainment. | |
| Bolivar County | Unclassifiable/Attainment. | |
| Calhoun County | Unclassifiable/Attainment. | |
| Carroll County | Unclassifiable/Attainment. | |
| Chickasaw County | Unclassifiable/Attainment. | |
| Choctaw County | Unclassifiable/Attainment. | |
| Claiborne County | Unclassifiable/Attainment. | |
| Clarke County | Unclassifiable/Attainment. | |
| Clay County | Unclassifiable/Attainment. | |
| Coahoma County | Unclassifiable/Attainment. | |
| Copiah County | Unclassifiable/Attainment. | |
| Covington County | Unclassifiable/Attainment. | |
| DeSoto County | Unclassifiable/Attainment. | |
| Forrest County | Unclassifiable/Attainment. | |
| Franklin County | Unclassifiable/Attainment. | |
| George County | Unclassifiable/Attainment. | |
| Greene County | Unclassifiable/Attainment. | |
| Grenada County | Unclassifiable/Attainment. | |
| Hancock County | Unclassifiable/Attainment. | |
| Harrison County | Unclassifiable/Attainment. | |
| Hinds County | Unclassifiable/Attainment. | |
| Holmes County | Unclassifiable/Attainment. | |
| Humphreys County | Unclassifiable/Attainment. | |
| Issaquena County | Unclassifiable/Attainment. | |
| Itawamba County | Unclassifiable/Attainment. | |
| Jackson County | Unclassifiable/Attainment. | |
| Jasper County | Unclassifiable/Attainment. | |
| Jefferson County | Unclassifiable/Attainment. | |
| Jefferson Davis County | Unclassifiable/Attainment. | |
| Jones County | Unclassifiable/Attainment. | |
| Kemper County | Unclassifiable/Attainment. | |
| Lafayette County | Unclassifiable/Attainment. | |
| Lamar County | Unclassifiable/Attainment. | |
| Lauderdale County | Unclassifiable/Attainment. | |
| Lawrence County | Unclassifiable/Attainment. | |
| Leake County | Unclassifiable/Attainment. | |
| Lee County | Unclassifiable/Attainment. | |
| Leflore County | Unclassifiable/Attainment. | |
| Lincoln County | Unclassifiable/Attainment. | |
| Lowndes County | Unclassifiable/Attainment. | |
| Madison County | Unclassifiable/Attainment. | |
| Marion County | Unclassifiable/Attainment. | |
| Marshall County | Unclassifiable/Attainment. | |
| Monroe County | Unclassifiable/Attainment. | |
| Montgomery County | Unclassifiable/Attainment. | |
| Neshoba County | Unclassifiable/Attainment. | |
| Newton County | Unclassifiable/Attainment. | |
| Noxubee County | Unclassifiable/Attainment. | |
| Oktibbeha County | Unclassifiable/Attainment. | |
| Panola County | Unclassifiable/Attainment. | |
| Pearl River County | Unclassifiable/Attainment. | |
| Perry County | Unclassifiable/Attainment. | |
| Pike County | Unclassifiable/Attainment. | |
| Pontotoc County | Unclassifiable/Attainment. | |
| Prentiss County | Unclassifiable/Attainment. | |
| Quitman County | Unclassifiable/Attainment. | |
| Rankin County | Unclassifiable/Attainment. | |
| Scott County | Unclassifiable/Attainment. | |
| Sharkey County | Unclassifiable/Attainment. | |
| Simpson County | Unclassifiable/Attainment. | |
| Smith County | Unclassifiable/Attainment. | |
| Stone County | Unclassifiable/Attainment. | |
| Sunflower County | Unclassifiable/Attainment. | |
| Tallahatchie County | Unclassifiable/Attainment. | |
| Tate County | Unclassifiable/Attainment. | |
| Tippah County | Unclassifiable/Attainment. | |
| Tishomingo County | Unclassifiable/Attainment. | |
| Tunica County | Unclassifiable/Attainment. | |
| Union County | Unclassifiable/Attainment. | |
| Walthall County | Unclassifiable/Attainment. | |
| Warren County | Unclassifiable/Attainment. | |
| Washington County | Unclassifiable/Attainment. | |
| Wayne County | Unclassifiable/Attainment. | |
| Webster County | Unclassifiable/Attainment. | |
| Wilkinson County | Unclassifiable/Attainment. | |
| Winston County | Unclassifiable/Attainment. | |
| Yalobusha County | Unclassifiable/Attainment. | |
| Yazoo County | Unclassifiable/Attainment. | |
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is 90 days after October 31, 2011, unless otherwise noted.
Mississippi-1997 8-Hour Ozone NAAQS
[Primary and Secondary]
| Designated area | Designationa | Category/classification | ||
| Date1 | Type | Date1 | Type | |
| Statewide | Unclassifiable/Attainment. | |||
| Adams County | ||||
| Alcorn County | ||||
| Amite County | ||||
| Attala County | ||||
| Benton County | ||||
| Bolivar County | ||||
| Calhoun County | ||||
| Carroll County | ||||
| Chickasaw County | ||||
| Choctaw County | ||||
| Claiborne County | ||||
| Clarke County | ||||
| Clay County | ||||
| Coahoma County | ||||
| Copiah County | ||||
| Covington County | ||||
| DeSoto County | ||||
| Forrest County | ||||
| Franklin County | ||||
| George County | ||||
| Greene County | ||||
| Grenada County | ||||
| Hancock County | ||||
| Harrison County | ||||
| Hinds County | ||||
| Holmes County | ||||
| Humphreys County | ||||
| Issaquena County | ||||
| Itawamba County | ||||
| Jackson County | ||||
| Jasper County | ||||
| Jefferson County | ||||
| Jefferson Davis County | ||||
| Jones County | ||||
| Kemper County | ||||
| Lafayette County | ||||
| Lamar County | ||||
| Lauderdale County | ||||
| Lawrence County | ||||
| Leake County | ||||
| Lee County | ||||
| Leflore County | ||||
| Lincoln County | ||||
| Lowndes County | ||||
| Madison County | ||||
| Marion County | ||||
| Marshall County | ||||
| Monroe County | ||||
| Montgomery County | ||||
| Neshoba County | ||||
| Newton County | ||||
| Noxubee County | ||||
| Oktibbeha County | ||||
| Panola County | ||||
| Pearl River County | ||||
| Perry County | ||||
| Pike County | ||||
| Pontotoc County | ||||
| Prentiss County | ||||
| Quitman County | ||||
| Rankin County | ||||
| Scott County | ||||
| Sharkey County | ||||
| Simpson County | ||||
| Smith County | ||||
| Stone County | ||||
| Sunflower County | ||||
| Tallahatchie County | ||||
| Tate County | ||||
| Tippah County | ||||
| Tishomingo County | ||||
| Tunica County | ||||
| Union County | ||||
| Walthall County | ||||
| Warren County | ||||
| Washington County | ||||
| Wayne County | ||||
| Webster County | ||||
| Wilkinson County | ||||
| Winston County | ||||
| Yalobusha County | ||||
| Yazoo County | ||||
a Includes Indian Country located in each county or area, except as otherwise specified.
1 This date is June 15, 2004, unless otherwise noted.
Mississippi-2008 8-Hour Ozone NAAQS
[Primary and Secondary]
| Designated area | Designation | Classification | ||
| Date1 | Type | Date1 | Type | |
| Memphis, TN-MS-AR:2 | ||||
| DeSoto County (part) Portion along MPO Lines | 4/8/16 | Attainment | ||
| Rest of State:3 | ||||
| Adams County | Unclassifiable/Attainment | |||
| Alcorn County | Unclassifiable/Attainment | |||
| Amite County | Unclassifiable/Attainment | |||
| Attala County | Unclassifiable/Attainment | |||
| Benton County | Unclassifiable/Attainment | |||
| Bolivar County | Unclassifiable/Attainment | |||
| Calhoun County | Unclassifiable/Attainment | |||
| Carroll County | Unclassifiable/Attainment | |||
| Chickasaw County | Unclassifiable/Attainment | |||
| Choctaw County | Unclassifiable/Attainment | |||
| Claiborne County | Unclassifiable/Attainment | |||
| Clarke County | Unclassifiable/Attainment | |||
| Clay County | Unclassifiable/Attainment. | |||
| Coahoma County | Unclassifiable/Attainment | |||
| Copiah County | Unclassifiable/Attainment | |||
| Covington County | Unclassifiable/Attainment | |||
| DeSoto County (remainder) | Unclassifiable/Attainment | |||
| Forrest County | Unclassifiable/Attainment | |||
| Franklin County | Unclassifiable/Attainment | |||
| George County | Unclassifiable/Attainment | |||
| Greene County | Unclassifiable/Attainment | |||
| Grenada County | Unclassifiable/Attainment | |||
| Hancock County | Unclassifiable/Attainment | |||
| Harrison County | Unclassifiable/Attainment | |||
| Hinds County | Unclassifiable/Attainment | |||
| Holmes County | Unclassifiable/Attainment | |||
| Humphreys County | Unclassifiable/Attainment | |||
| Issaquena County | Unclassifiable/Attainment | |||
| Itawamba County | Unclassifiable/Attainment | |||
| Jackson County | Unclassifiable/Attainment | |||
| Jasper County | Unclassifiable/Attainment | |||
| Jefferson County | Unclassifiable/Attainment | |||
| Jefferson Davis County | Unclassifiable/Attainment | |||
| Jones County | Unclassifiable/Attainment | |||
| Kemper County | Unclassifiable/Attainment | |||
| Lafayette County | Unclassifiable/Attainment | |||
| Lamar County | Unclassifiable/Attainment | |||
| Lauderdale County | Unclassifiable/Attainment | |||
| Lawrence County | Unclassifiable/Attainment | |||
| Leake County | Unclassifiable/Attainment | |||
| Lee County | Unclassifiable/Attainment | |||
| Leflore County | Unclassifiable/Attainment | |||
| Lincoln County | Unclassifiable/Attainment | |||
| Lowndes County | Unclassifiable/Attainment | |||
| Madison County | Unclassifiable/Attainment | |||
| Marion County | Unclassifiable/Attainment | |||
| Marshall County | Unclassifiable/Attainment | |||
| Monroe County | Unclassifiable/Attainment | |||
| Montgomery County | Unclassifiable/Attainment | |||
| Neshoba County | Unclassifiable/Attainment | |||
| Newton County | Unclassifiable/Attainment | |||
| Noxubee County | Unclassifiable/Attainment | |||
| Oktibbeha County | Unclassifiable/Attainment | |||
| Panola County | Unclassifiable/Attainment | |||
| Pearl River County | Unclassifiable/Attainment | |||
| Perry County | Unclassifiable/Attainment | |||
| Pike County | Unclassifiable/Attainment | |||
| Pontotoc County | Unclassifiable/Attainment | |||
| Prentiss County | Unclassifiable/Attainment | |||
| Quitman County | Unclassifiable/Attainment | |||
| Rankin County | Unclassifiable/Attainment | |||
| Scott County | Unclassifiable/Attainment | |||
| Sharkey County | Unclassifiable/Attainment | |||
| Simpson County | Unclassifiable/Attainment | |||
| Smith County | Unclassifiable/Attainment | |||
| Stone County | Unclassifiable/Attainment | |||
| Sunflower County | Unclassifiable/Attainment | |||
| Tallahatchie County | Unclassifiable/Attainment | |||
| Tate County. | Unclassifiable/Attainment | |||
| Tippah County | Unclassifiable/Attainment | |||
| Tishomingo County | Unclassifiable/Attainment | |||
| Tunica County | Unclassifiable/Attainment | |||
| Union County | Unclassifiable/Attainment | |||
| Walthall County | Unclassifiable/Attainment | |||
| Warren County | Unclassifiable/Attainment | |||
| Washington County | Unclassifiable/Attainment | |||
| Wayne County | Unclassifiable/Attainment | |||
| Webster County | Unclassifiable/Attainment | |||
| Wilkinson County | Unclassifiable/Attainment | |||
| Winston County | Unclassifiable/Attainment | |||
| Yalobusha County | Unclassifiable/Attainment | |||
| Yazoo County | Unclassifiable/Attainment | |||
1 This date is July 20, 2012, unless otherwise noted.
2 Excludes Indian country located in each area, unless otherwise noted.
3 Includes any Indian country in each county or area, unless otherwise specified.
Mississippi-2015 8-Hour Ozone NAAQS
[Primary and Secondary]
| Designated area1 | Designation | Classification | ||
| Date2 | Type | Date | Type | |
| Adams County | Attainment/Unclassifiable | |||
| Alcorn County | Attainment/Unclassifiable | |||
| Amite County | Attainment/Unclassifiable | |||
| Attala County | Attainment/Unclassifiable | |||
| Benton County | Attainment/Unclassifiable | |||
| Bolivar County | Attainment/Unclassifiable | |||
| Calhoun County | Attainment/Unclassifiable | |||
| Carroll County | Attainment/Unclassifiable | |||
| Chickasaw County | Attainment/Unclassifiable | |||
| Choctaw County | Attainment/Unclassifiable | |||
| Claiborne County | Attainment/Unclassifiable | |||
| Clarke County | Attainment/Unclassifiable | |||
| Clay County | Attainment/Unclassifiable | |||
| Coahoma County | Attainment/Unclassifiable | |||
| Copiah County | Attainment/Unclassifiable | |||
| Covington County | Attainment/Unclassifiable | |||
| DeSoto County | Attainment/Unclassifiable | |||
| Forrest County | Attainment/Unclassifiable | |||
| Franklin County | Attainment/Unclassifiable | |||
| George County | Attainment/Unclassifiable | |||
| Greene County | Attainment/Unclassifiable | |||
| Grenada County | Attainment/Unclassifiable | |||
| Hancock County | Attainment/Unclassifiable | |||
| Harrison County | Attainment/Unclassifiable | |||
| Hinds County | Attainment/Unclassifiable | |||
| Holmes County | Attainment/Unclassifiable | |||
| Humphreys County | Attainment/Unclassifiable | |||
| Issaquena County | Attainment/Unclassifiable | |||
| Itawamba County | Attainment/Unclassifiable | |||
| Jackson County | Attainment/Unclassifiable | |||
| Jasper County | Attainment/Unclassifiable | |||
| Jefferson County | Attainment/Unclassifiable | |||
| Jefferson Davis County | Attainment/Unclassifiable | |||
| Jones County | Attainment/Unclassifiable | |||
| Kemper County | Attainment/Unclassifiable | |||
| Lafayette County | Attainment/Unclassifiable | |||
| Lamar County | Attainment/Unclassifiable | |||
| Lauderdale County | Attainment/Unclassifiable | |||
| Lawrence County | Attainment/Unclassifiable | |||
| Leake County | Attainment/Unclassifiable | |||
| Lee County | Attainment/Unclassifiable | |||
| Leflore County | Attainment/Unclassifiable | |||
| Lincoln County | Attainment/Unclassifiable | |||
| Lowndes County | Attainment/Unclassifiable | |||
| Madison County | Attainment/Unclassifiable | |||
| Marion County | Attainment/Unclassifiable | |||
| Marshall County | Attainment/Unclassifiable | |||
| Monroe County | Attainment/Unclassifiable | |||
| Montgomery County | Attainment/Unclassifiable | |||
| Neshoba County | Attainment/Unclassifiable | |||
| Newton County | Attainment/Unclassifiable | |||
| Noxubee County | Attainment/Unclassifiable | |||
| Oktibbeha County | Attainment/Unclassifiable | |||
| Panola County | Attainment/Unclassifiable | |||
| Pearl River County | Attainment/Unclassifiable | |||
| Perry County | Attainment/Unclassifiable | |||
| Pike County | Attainment/Unclassifiable | |||
| Pontotoc County | Attainment/Unclassifiable | |||
| Prentiss County | Attainment/Unclassifiable | |||
| Quitman County | Attainment/Unclassifiable | |||
| Rankin County | Attainment/Unclassifiable | |||
| Scott County | Attainment/Unclassifiable | |||
| Sharkey County | Attainment/Unclassifiable | |||
| Simpson County | Attainment/Unclassifiable | |||
| Smith County | Attainment/Unclassifiable | |||
| Stone County | Attainment/Unclassifiable | |||
| Sunflower County | Attainment/Unclassifiable | |||
| Tallahatchie County | Attainment/Unclassifiable | |||
| Tate County | Attainment/Unclassifiable | |||
| Tippah County | Attainment/Unclassifiable | |||
| Tishomingo County | Attainment/Unclassifiable | |||
| Tunica County | Attainment/Unclassifiable | |||
| Union County | Attainment/Unclassifiable | |||
| Walthall County | Attainment/Unclassifiable | |||
| Warren County | Attainment/Unclassifiable | |||
| Washington County | Attainment/Unclassifiable | |||
| Wayne County | Attainment/Unclassifiable | |||
| Webster County | Attainment/Unclassifiable | |||
| Wilkinson County | Attainment/Unclassifiable | |||
| Winston County | Attainment/Unclassifiable | |||
| Yalobusha County | Attainment/Unclassifiable | |||
| Yazoo County | Attainment/Unclassifiable | |||
1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.
2 This date is January 16, 2018, unless otherwise noted.
Mississippi-2008 Lead NAAQS
| Designated area | Designation for the 2008 NAAQSa | |
| Date1 | Type | |
| Whole State | Unclassifiable/Attainment. | |
a Includes Indian Country located in each county or area, except as otherwise specified.
1 December 31, 2011 unless otherwise noted.
40 C.F.R. §81.325
For FEDERAL REGISTER citations affecting §81.325, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.