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8-Hour Ozone (2008) Maintenance Area (Redesignated from Nonattainment) State/Area/County Report

Data is current as of October 31, 2020


ARKANSAS (Region VI)
  Memphis, TN-MS-AR (Marginal - Maintenance)
Crittenden County
 
DISTRICT OF COLUMBIA (Region III)
  Washington, DC-MD-VA (Marginal - Maintenance)
District of Columbia
 
GEORGIA (Region IV)
  Atlanta, GA (Moderate - Maintenance)
Bartow County
Cherokee County
Clayton County
Cobb County
Coweta County
DeKalb County
Douglas County
Fayette County
Forsyth County
Fulton County
Gwinnett County
Henry County
Newton County
Paulding County
Rockdale County
 
ILLINOIS (Region V)
  St. Louis-St. Charles-Farmington, MO-IL (Marginal - Maintenance)
Madison County
Monroe County
St. Clair County
 
INDIANA (Region V)
  Cincinnati, OH-KY-IN (Marginal - Maintenance)
Dearborn County (P)

Lawrenceburg Township

 
KENTUCKY (Region IV)
  Cincinnati, OH-KY-IN (Marginal - Maintenance)
Boone County (P)
Campbell County (P)
Kenton County (P)
 
LOUISIANA (Region VI)
  Baton Rouge, LA (Marginal - Maintenance)
Ascension Parish
East Baton Rouge Parish
Iberville Parish
Livingston Parish
West Baton Rouge Parish
 
MARYLAND (Region III)
  Washington, DC-MD-VA (Marginal - Maintenance)
Calvert County
Charles County
Frederick County
Montgomery County
Prince George's County
 
MISSISSIPPI (Region IV)
  Memphis, TN-MS-AR (Marginal - Maintenance)
DeSoto County (P)

Portion along MPO Lines

 
MISSOURI (Region VII)
  St. Louis-St. Charles-Farmington, MO-IL (Marginal - Maintenance)
Franklin County
Jefferson County
St. Charles County
St. Louis County
St. Louis city
 
NORTH CAROLINA (Region IV)
  Charlotte-Rock Hill, NC-SC (Marginal - Maintenance)
Cabarrus County (P)
Gaston County (P)
Iredell County (P)
Lincoln County (P)
Mecklenburg County
Rowan County (P)
Union County (P)
 
OHIO (Region V)
  Cincinnati, OH-KY-IN (Marginal - Maintenance)
Butler County
Clermont County
Clinton County
Hamilton County
Warren County
 
  Cleveland-Akron-Lorain, OH (Marginal - Maintenance)
Ashtabula County
Cuyahoga County
Geauga County
Lake County
Lorain County
Medina County
Portage County
Summit County
 
  Columbus, OH (Marginal - Maintenance)
Delaware County
Fairfield County
Franklin County
Knox County
Licking County
Madison County
 
SOUTH CAROLINA (Region IV)
  Charlotte-Rock Hill, NC-SC (Marginal - Maintenance)
York County (P)
 
TENNESSEE (Region IV)
  Knoxville, TN (Marginal - Maintenance)
Anderson County (P)
Blount County
Knox County
 
  Memphis, TN-MS-AR (Marginal - Maintenance)
Shelby County
 
VIRGINIA (Region III)
  Washington, DC-MD-VA (Marginal - Maintenance)
Alexandria city
Arlington County
Fairfax County
Fairfax city
Falls Church city
Loudoun County
Manassas Park city
Manassas city
Prince William County
 
WISCONSIN (Region V)
  Inland Sheboygan County, WI (Moderate - Maintenance)
Sheboygan County (P)
 
  Shoreline Sheboygan County, WI (Moderate - Maintenance)
Sheboygan County (P)


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