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1-Hour Ozone (1979) Maintenance Area (Redesignated from Nonattainment) State/Area/County Report - NAAQS Revoked

Data is current as of June 20, 2017


ALABAMA (Region IV)
  Birmingham, AL (Marginal - Maintenance)
Jefferson Co
Shelby Co
 
ARIZONA (Region IX)
  Phoenix, AZ (Serious - Maintenance)
Maricopa Co (P)
Maricopa Association of Governments Urban Planning Area
 
CALIFORNIA (Region IX)
  East Kern Co, CA (Serious - Maintenance)
Kern Co (P)
 
  Monterey Bay, CA (Moderate - Maintenance)
Monterey Co
San Benito Co
Santa Cruz Co
 
  San Diego, CA (Serious - Maintenance)
San Diego Co
 
  Santa Barbara-Santa Maria-Lompoc, CA (Serious - Maintenance)
Santa Barbara Co
 
COLORADO (Region VIII)
  Denver-Boulder, CO (Section 185A - Maintenance)
Adams Co (P)
West of Kiowa Creek
Arapahoe Co (P)
West of Kiowa Creek
Boulder Co (P)
Excluding Rocky Mtn. National Park
Broomfield Co
Denver Co
Douglas Co
Jefferson Co
 
FLORIDA (Region IV)
  Jacksonville, FL (Section 185A - Maintenance)
Duval Co
 
  Miami-Fort Lauderdale-W. Palm Beach, FL (Moderate - Maintenance)
Broward Co
Miami-Dade Co
Palm Beach Co
 
  Tampa-St. Petersburg-Clearwater, FL (Marginal - Maintenance)
Hillsborough Co
Pinellas Co
 
GEORGIA (Region IV)
  Atlanta, GA (Severe 15 - Maintenance)
Cherokee Co
Clayton Co
Cobb Co
Coweta Co
De Kalb Co
Douglas Co
Fayette Co
Forsyth Co
Fulton Co
Gwinnett Co
Henry Co
Paulding Co
Rockdale Co
 
ILLINOIS (Region V)
  Jersey Co, IL (Marginal - Maintenance)
Jersey Co
 
  St. Louis, MO-IL (Serious - Maintenance)
Madison Co
Monroe Co
St Clair Co
 
INDIANA (Region V)
  Evansville, IN (Marginal - Maintenance)
Vanderburgh Co
 
  Indianapolis, IN (Marginal - Maintenance)
Marion Co
 
  Louisville, KY-IN (Moderate - Maintenance)
Clark Co
Floyd Co
 
  South Bend-Elkhart, IN (Marginal - Maintenance)
Elkhart Co
St Joseph Co
 
KANSAS (Region VII)
  Kansas City, MO-KS (Other - Maintenance)
Johnson Co
Wyandotte Co
 
KENTUCKY (Region IV)
  Cincinnati-Hamilton, OH-KY (Moderate - Maintenance)
Boone Co
Campbell Co
Kenton Co
 
  Edmonson Co, KY (Rural Transport (Marginal) - Maintenance)
Edmonson Co
 
  Huntington-Ashland, WV-KY (Moderate - Maintenance)
Boyd Co
Greenup Co (P)
 
  Lexington-Fayette, KY (Marginal - Maintenance)
Fayette Co
Scott Co
 
  Louisville, KY-IN (Moderate - Maintenance)
Bullitt Co (P)
Jefferson Co
Oldham Co (P)
 
  Owensboro, KY (Marginal - Maintenance)
Daviess Co
Hancock Co (P)
 
  Paducah, KY (Marginal - Maintenance)
Livingston Co (P)
Marshall Co
 
LOUISIANA (Region VI)
  Beauregard Par, LA (Incomplete Data - Maintenance)
Beauregard Par
 
  Grant Par, LA (Incomplete Data - Maintenance)
Grant Par
 
  LaFourche Par, LA (Incomplete Data - Maintenance)
Lafourche Par
 
  Lafayette, LA (Section 185A - Maintenance)
Lafayette Par
 
  Lake Charles, LA (Marginal - Maintenance)
Calcasieu Par
 
  New Orleans, LA (Section 185A - Maintenance)
Jefferson Par
Orleans Par
St Bernard Par
St Charles Par
 
  Pointe Coupee Parish, LA (Marginal - Maintenance)
Pointe Coupee Par
 
  St James Par, LA (Incomplete Data - Maintenance)
St James Par
 
  St Mary Par, LA (Incomplete Data - Maintenance)
St Mary Par
 
MAINE (Region I)
  Hancock & Waldo Cos, ME (Marginal - Maintenance)
Hancock Co
Waldo Co
 
MARYLAND (Region III)
  Kent and Queen Anne's Co.s, MD (Marginal - Maintenance)
Kent Co
Queen Annes Co
 
MICHIGAN (Region V)
  Allegan Co, MI (Incomplete Data - Maintenance)
Allegan Co
 
  Detroit-Ann Arbor, MI (Moderate - Maintenance)
Livingston Co
Macomb Co
Monroe Co
Oakland Co
St Clair Co
Washtenaw Co
Wayne Co
 
  Flint, MI (Section 185A - Maintenance)
Genesee Co
 
  Grand Rapids, MI (Moderate - Maintenance)
Kent Co
Ottawa Co
 
  Muskegon, MI (Moderate - Maintenance)
Muskegon Co
 
  Saginaw-Bay City-Midland, MI (Incomplete Data - Maintenance)
Bay Co
Midland Co
Saginaw Co
 
MISSOURI (Region VII)
  Kansas City, MO-KS (Other - Maintenance)
Clay Co
Jackson Co
Platte Co
 
  St. Louis, MO-IL (Serious - Maintenance)
Franklin Co
Jefferson Co
St Charles Co
St Louis
St Louis Co
 
NORTH CAROLINA (Region IV)
  Charlotte-Gastonia, NC (Moderate - Maintenance)
Gaston Co
Mecklenburg Co
 
  Greensboro-Winston-Salem-High Point, NC (Moderate - Maintenance)
Davidson Co
Davie Co (P)
Forsyth Co
Guilford Co
 
  Raleigh-Durham, NC (Moderate - Maintenance)
Durham Co
Granville Co (P)
Dutchville Township
Wake Co
 
OHIO (Region V)
  Canton, OH (Marginal - Maintenance)
Stark Co
 
  Cincinnati-Hamilton, OH-KY (Moderate - Maintenance)
Butler Co
Clermont Co
Hamilton Co
Warren Co
 
  Cleveland-Akron-Lorain, OH (Moderate - Maintenance)
Ashtabula Co
Cuyahoga Co
Geauga Co
Lake Co
Lorain Co
Medina Co
Portage Co
Summit Co
 
  Clinton Co, OH (Section 185A - Maintenance)
Clinton Co
 
  Columbiana Co, OH (Incomplete Data - Maintenance)
Columbiana Co
 
  Columbus, OH (Marginal - Maintenance)
Delaware Co
Franklin Co
Licking Co
 
  Dayton-Springfield, OH (Moderate - Maintenance)
Clark Co
Greene Co
Miami Co
Montgomery Co
 
  Preble Co, OH (Section 185A - Maintenance)
Preble Co
 
  Steubenville, OH (Section 185A - Maintenance)
Jefferson Co
 
  Toledo, OH (Moderate - Maintenance)
Lucas Co
Wood Co
 
  Youngstown-Warren-Sharon, OH-PA (OH portion) (Marginal - Maintenance)
Mahoning Co
Trumbull Co
 
OREGON (Region X)
  Portland-Vancouver AQMA, OR-WA (Marginal - Maintenance)
Clackamas Co (P)
Air Quality Maintenance Area
Multnomah Co (P)
Air Quality Maintenance Area
Washington Co (P)
Air Quality Maintenance Area
 
PENNSYLVANIA (Region III)
  Pittsburgh-Beaver Valley, PA (Moderate - Maintenance)
Allegheny Co
Armstrong Co
Beaver Co
Butler Co
Fayette Co
Washington Co
Westmoreland Co
 
  Reading, PA (Moderate - Maintenance)
Berks Co
 
SOUTH CAROLINA (Region IV)
  Cherokee Co, SC (Marginal - Maintenance)
Cherokee Co
 
TENNESSEE (Region IV)
  Knoxville, TN (Marginal - Maintenance)
Knox Co
 
  Memphis, TN (Marginal - Maintenance)
Shelby Co
 
  Nashville, TN (Moderate - Maintenance)
Davidson Co
Rutherford Co
Sumner Co
Williamson Co
Wilson Co
 
TEXAS (Region VI)
  Victoria, TX (Incomplete Data - Maintenance)
Victoria Co
 
UTAH (Region VIII)
  Salt Lake City, UT (Moderate - Maintenance)
Davis Co
Salt Lake Co
 
VIRGINIA (Region III)
  Norfolk-Virginia Beach-Newport News (Hampton Roads), VA (Marginal - Maintenance)
Chesapeake
Hampton
James City Co
Newport News
Norfolk
Poquoson
Portsmouth
Suffolk
Virginia Beach
Williamsburg
York Co
 
  Richmond, VA (Moderate - Maintenance)
Charles City Co (P)
Chesterfield Co
Colonial Heights
Hanover Co
Henrico Co
Hopewell
Richmond
 
WASHINGTON (Region X)
  Portland-Vancouver AQMA, OR-WA (Marginal - Maintenance)
Clark Co (P)
Air Quality Maintenance Area
 
  Seattle-Tacoma, WA (Marginal - Maintenance)
King Co (P)
Pierce Co
Snohomish Co (P)
 
WEST VIRGINIA (Region III)
  Charleston, WV (Moderate - Maintenance)
Kanawha Co
Putnam Co
 
  Greenbrier, WV (Marginal - Maintenance)
Greenbrier Co
 
  Huntington-Ashland, WV-KY (Moderate - Maintenance)
Cabell Co
Wayne Co
 
  Parkersburg-Marietta, WV (Moderate - Maintenance)
Wood Co
 
WISCONSIN (Region V)
  Door Co, WI (Rural Transport (Marginal) - Maintenance)
Door Co
 
  Kewaunee Co, WI (Moderate - Maintenance)
Kewaunee Co
 
  Manitowoc Co, WI (Moderate - Maintenance)
Manitowoc Co
 
  Sheboygan, WI (Moderate - Maintenance)
Sheboygan Co
 
  Walworth Co, WI (Marginal - Maintenance)
Walworth Co

The former 1-hour ozone designations and classifications as of June 15, 2004, are being retained in subpart C of Part 81 for purposes of the anti backsliding provisions of 40 CFR 51.905. 40 CFR 51.905(c) references subpart C of part 81 for the areas affected by the anti-backsliding regulation.


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