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8-Hour Ozone (1997) Maintenance Area/State/County Report
As of December 14, 2012View Notes
Area Name (Category/Classification) (P) Partial County
| Allegan Co, MI | |
| MICHIGAN (Region V) | |
| Allegan Co | |
| Allentown-Bethlehem-Easton, PA | |
| PENNSYLVANIA (Region III) | |
| Carbon Co | |
| Lehigh Co | |
| Northampton Co | |
| Altoona, PA | |
| PENNSYLVANIA (Region III) | |
| Blair Co | |
| Baton Rouge, LA | |
| LOUISIANA (Region VI) | |
| Ascension Par | |
| East Baton Rouge Par | |
| Iberville Par | |
| Livingston Par | |
| West Baton Rouge Par | |
| Beaumont-Port Arthur, TX | |
| TEXAS (Region VI) | |
| Hardin Co | |
| Jefferson Co | |
| Orange Co | |
| Benton Harbor, MI | |
| MICHIGAN (Region V) | |
| Berrien Co | |
| Benzie Co, MI | |
| MICHIGAN (Region V) | |
| Benzie Co | |
| Birmingham, AL | |
| ALABAMA (Region IV) | |
| Jefferson Co | |
| Shelby Co | |
| Canton-Massillon, OH | |
| OHIO (Region V) | |
| Stark Co | |
| Cass Co, MI | |
| MICHIGAN (Region V) | |
| Cass Co | |
| Charleston, WV | |
| WEST VIRGINIA (Region III) | |
| Kanawha Co | |
| Putnam Co | |
| Chicago-Gary-Lake County, IL-IN | |
| ILLINOIS (Region V) | |
| Cook Co | |
| Du Page Co | |
| Grundy Co (P) | |
| Aux Sable Township, Goose Lake Township | |
| Kane Co | |
| Kendall Co (P) | |
| Oswego Township | |
| Lake Co | |
| Mc Henry Co | |
| Will Co | |
| INDIANA (Region V) | |
| Lake Co | |
| Porter Co | |
| Cincinnati-Hamilton, OH-KY-IN | |
| INDIANA (Region V) | |
| Dearborn Co (P) | |
| Lawrenceburg Township | |
| KENTUCKY (Region IV) | |
| Boone Co | |
| Campbell Co | |
| Kenton Co | |
| OHIO (Region V) | |
| Butler Co | |
| Clermont Co | |
| Clinton Co | |
| Hamilton Co | |
| Warren Co | |
| Clarksville-Hopkinsville, TN-KY | |
| KENTUCKY (Region IV) | |
| Christian Co | |
| TENNESSEE (Region IV) | |
| Montgomery Co | |
| Clearfield and Indiana Cos, PA | |
| PENNSYLVANIA (Region III) | |
| Clearfield Co | |
| Indiana Co | |
| Cleveland-Akron-Lorain, OH | |
| OHIO (Region V) | |
| Ashtabula Co | |
| Cuyahoga Co | |
| Geauga Co | |
| Lake Co | |
| Lorain Co | |
| Medina Co | |
| Portage Co | |
| Summit Co | |
| Columbus, OH | |
| OHIO (Region V) | |
| Delaware Co | |
| Fairfield Co | |
| Franklin Co | |
| Knox Co | |
| Licking Co | |
| Madison Co | |
| Dayton-Springfield, OH | |
| OHIO (Region V) | |
| Clark Co | |
| Greene Co | |
| Miami Co | |
| Montgomery Co | |
| Detroit-Ann Arbor, MI | |
| MICHIGAN (Region V) | |
| Lenawee Co | |
| Livingston Co | |
| Macomb Co | |
| Monroe Co | |
| Oakland Co | |
| St Clair Co | |
| Washtenaw Co | |
| Wayne Co | |
| Door Co, WI | |
| WISCONSIN (Region V) | |
| Door Co | |
| Erie, PA | |
| PENNSYLVANIA (Region III) | |
| Erie Co | |
| Evansville, IN | |
| INDIANA (Region V) | |
| Vanderburgh Co | |
| Warrick Co | |
| Flint, MI | |
| MICHIGAN (Region V) | |
| Genesee Co | |
| Lapeer Co | |
| Fort Wayne, IN | |
| INDIANA (Region V) | |
| Allen Co | |
| Franklin Co, PA | |
| PENNSYLVANIA (Region III) | |
| Franklin Co | |
| Fredericksburg, VA | |
| VIRGINIA (Region III) | |
| Fredericksburg | |
| Spotsylvania Co | |
| Stafford Co | |
| Grand Rapids, MI | |
| MICHIGAN (Region V) | |
| Kent Co | |
| Ottawa Co | |
| Greene Co, IN | |
| INDIANA (Region V) | |
| Greene Co | |
| Greene Co, PA | |
| PENNSYLVANIA (Region III) | |
| Greene Co | |
| Hancock, Knox, Lincoln & Waldo Cos, ME | |
| MAINE (Region I) | |
| Hancock Co (P) | |
| Knox Co (P) | |
| Lincoln Co (P) | |
| Waldo Co (P) | |
| (includes only the following town):Islesboro | |
| Harrisburg-Lebanon-Carlisle, PA | |
| PENNSYLVANIA (Region III) | |
| Cumberland Co | |
| Dauphin Co | |
| Lebanon Co | |
| Perry Co | |
| Haywood and Swain Cos (Great Smoky NP), NC | |
| NORTH CAROLINA (Region IV) | |
| Haywood Co (P) | |
| Great Smoky Mountain National Park | |
| Swain Co (P) | |
| Great Smoky Mountain National Park | |
| Huntington-Ashland, WV-KY | |
| KENTUCKY (Region IV) | |
| Boyd Co | |
| WEST VIRGINIA (Region III) | |
| Cabell Co | |
| Wayne Co | |
| Huron Co, MI | |
| MICHIGAN (Region V) | |
| Huron Co | |
| Indianapolis, IN | |
| INDIANA (Region V) | |
| Boone Co | |
| Hamilton Co | |
| Hancock Co | |
| Hendricks Co | |
| Johnson Co | |
| Madison Co | |
| Marion Co | |
| Morgan Co | |
| Shelby Co | |
| Jackson Co, IN | |
| INDIANA (Region V) | |
| Jackson Co | |
| Johnstown, PA | |
| PENNSYLVANIA (Region III) | |
| Cambria Co | |
| Kalamazoo-Battle Creek, MI | |
| MICHIGAN (Region V) | |
| Calhoun Co | |
| Kalamazoo Co | |
| Van Buren Co | |
| Kent and Queen Anne's Cos, MD | |
| MARYLAND (Region III) | |
| Kent Co | |
| Queen Annes Co | |
| Kewaunee Co, WI | |
| WISCONSIN (Region V) | |
| Kewaunee Co | |
| Knoxville, TN | |
| TENNESSEE (Region IV) | |
| Anderson Co | |
| Blount Co | |
| Cocke Co (P) | |
| (Great Smoky Mtn Park) | |
| Jefferson Co | |
| Knox Co | |
| Loudon Co | |
| Sevier Co | |
| La Porte, IN | |
| INDIANA (Region V) | |
| La Porte Co | |
| Lancaster, PA | |
| PENNSYLVANIA (Region III) | |
| Lancaster Co | |
| Lansing-East Lansing, MI | |
| MICHIGAN (Region V) | |
| Clinton Co | |
| Eaton Co | |
| Ingham Co | |
| Lima, OH | |
| OHIO (Region V) | |
| Allen Co | |
| Louisville, KY-IN | |
| INDIANA (Region V) | |
| Clark Co | |
| Floyd Co | |
| KENTUCKY (Region IV) | |
| Bullitt Co | |
| Jefferson Co | |
| Oldham Co | |
| Macon, GA | |
| GEORGIA (Region IV) | |
| Bibb Co | |
| Monroe Co (P) | |
| Madison and Page Cos (Shenandoah NP), VA | |
| VIRGINIA (Region III) | |
| Madison Co (P) | |
| Page Co (P) | |
| Manitowoc Co, WI | |
| WISCONSIN (Region V) | |
| Manitowoc Co | |
| Mason Co, MI | |
| MICHIGAN (Region V) | |
| Mason Co | |
| Memphis, TN-AR | |
| ARKANSAS (Region VI) | |
| Crittenden Co | |
| TENNESSEE (Region IV) | |
| Shelby Co | |
| Milwaukee-Racine, WI | |
| WISCONSIN (Region V) | |
| Kenosha Co | |
| Milwaukee Co | |
| Ozaukee Co | |
| Racine Co | |
| Washington Co | |
| Waukesha Co | |
| Muncie, IN | |
| INDIANA (Region V) | |
| Delaware Co | |
| Murray Co (Chattahoochee Nat Forest), GA | |
| GEORGIA (Region IV) | |
| Murray Co (P) | |
| Muskegon, MI | |
| MICHIGAN (Region V) | |
| Muskegon Co | |
| Norfolk-Virginia Beach-Newport News (HR), VA | |
| VIRGINIA (Region III) | |
| Chesapeake | |
| Gloucester Co | |
| Hampton | |
| Isle Of Wight Co | |
| James City Co | |
| Newport News | |
| Norfolk | |
| Poquoson | |
| Portsmouth | |
| Suffolk | |
| Virginia Beach | |
| Williamsburg | |
| York Co | |
| Parkersburg-Marietta, WV-OH | |
| OHIO (Region V) | |
| Washington Co | |
| WEST VIRGINIA (Region III) | |
| Wood Co | |
| Portland, ME | |
| MAINE (Region I) | |
| Androscoggin Co (P) | |
| (includes only the following town): Durham | |
| Cumberland Co (P) | |
| Sagadahoc Co | |
| York Co (P) | |
| Raleigh-Durham-Chapel Hill, NC | |
| NORTH CAROLINA (Region IV) | |
| Chatham Co (P) | |
| Baldwin Township, Center Township, New Hope Township, Williams Township | |
| Durham Co | |
| Franklin Co | |
| Granville Co | |
| Johnston Co | |
| Orange Co | |
| Person Co | |
| Wake Co | |
| Reading, PA | |
| PENNSYLVANIA (Region III) | |
| Berks Co | |
| Richmond-Petersburg, VA | |
| VIRGINIA (Region III) | |
| Charles City Co | |
| Chesterfield Co | |
| Colonial Heights | |
| Hanover Co | |
| Henrico Co | |
| Hopewell | |
| Petersburg | |
| Prince George Co | |
| Richmond | |
| Rocky Mount, NC | |
| NORTH CAROLINA (Region IV) | |
| Edgecombe Co | |
| Nash Co | |
| Scranton-Wilkes-Barre, PA | |
| PENNSYLVANIA (Region III) | |
| Lackawanna Co | |
| Luzerne Co | |
| Monroe Co | |
| Wyoming Co | |
| South Bend-Elkhart, IN | |
| INDIANA (Region V) | |
| Elkhart Co | |
| St Joseph Co | |
| St Louis, MO-IL (IL portion) | |
| ILLINOIS (Region V) | |
| Jersey Co | |
| Madison Co | |
| Monroe Co | |
| St Clair Co | |
| State College, PA | |
| PENNSYLVANIA (Region III) | |
| Centre Co | |
| Steubenville-Weirton, OH-WV | |
| OHIO (Region V) | |
| Jefferson Co | |
| WEST VIRGINIA (Region III) | |
| Brooke Co | |
| Hancock Co | |
| Terre Haute, IN | |
| INDIANA (Region V) | |
| Vigo Co | |
| Tioga Co, PA | |
| PENNSYLVANIA (Region III) | |
| Tioga Co | |
| Toledo, OH | |
| OHIO (Region V) | |
| Lucas Co | |
| Wood Co | |
| Wheeling, WV-OH | |
| OHIO (Region V) | |
| Belmont Co | |
| WEST VIRGINIA (Region III) | |
| Marshall Co | |
| Ohio Co | |
| York, PA | |
| PENNSYLVANIA (Region III) | |
| Adams Co | |
| York Co | |
| Youngstown-Warren-Sharon, OH-PA | |
| OHIO (Region V) | |
| Columbiana Co | |
| Mahoning Co | |
| Trumbull Co | |
| PENNSYLVANIA (Region III) | |
| Mercer Co | |
Details about the designations and classifications of previous 1-hour ozone nonattainment and maintenance areas can be found here.
On June 8, 2007, the United States Court of Appeals vacated the Subpart 1 portion of the Phase 1 Rule (Court Order) (PDF). On May 14, 2012, the Former Subpart 1 nonattainment areas were classified under Subpart 2 (77 FR 28424 (PDF)), effective June 13, 2012.
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