81.325—Mississippi.

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
Code of Federal Regulations 323
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—SO2
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
Code of Federal Regulations 324
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—Carbon Monoxide
Designated Area Designation Classification
Date 1 Type Date 1 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
Code of Federal Regulations 326
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
Date 1 Type Date 1 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
Code of Federal Regulations 327
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—NO2
Designated area Does not meet primary standards Cannot be classified or better than national standards
Statewide X




Mississippi—Ozone (8-Hour Standard)
Designated area Designation a Category/classification
Date 1 Type Date 1 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