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8-Hour Ozone Maintenance State/Area/County Report
As of March 30, 2012On June 8, 2007, the United States Court of Appeals vacated the Subpart 1 portion of the Phase 1 Rule (Court Order). The Subpart 1 areas in the Green Book are listed as "Former Subpart 1" until reclassification of the areas is finalized. Proposed reclassifications were published on January 16, 2009 74 FR 2936.
View NotesArea Name (Category/Classification) (P) Partial County
| ALABAMA (Region IV) | |
| Birmingham, AL (Former Subpart 1) | |
| Jefferson Co [m*] | |
| Shelby Co [m*] | |
| ARKANSAS (Region VI) | |
| Memphis, TN-AR (Moderate) | |
| Crittenden Co | |
| GEORGIA (Region IV) | |
| Macon, GA (Former Subpart 1) | |
| Bibb Co [*] | |
| Monroe Co (P) [*] | |
| Murray Co (Chattahoochee Nat Forest), GA (Former Subpart 1) | |
| Murray Co (P) | |
| INDIANA (Region V) | |
| Chicago-Gary-Lake County, IL-IN (IN portion) (Moderate) | |
| Lake Co [n*] | |
| Porter Co [n*] | |
| Cincinnati-Hamilton, OH-KY-IN (Former Subpart 1) | |
| Dearborn Co (P) | |
| Lawrenceburg Township | |
| Evansville, IN (Former Subpart 1) | |
| Vanderburgh Co [m*] | |
| Warrick Co | |
| Fort Wayne, IN (Former Subpart 1) | |
| Allen Co | |
| Greene Co, IN (Former Subpart 1) | |
| Greene Co | |
| Indianapolis, IN (Former Subpart 1) | |
| Boone Co | |
| Hamilton Co [*] | |
| Hancock Co | |
| Hendricks Co [*] | |
| Johnson Co [*] | |
| Madison Co | |
| Marion Co [m*] | |
| Morgan Co [*] | |
| Shelby Co | |
| Jackson Co, IN (Former Subpart 1) | |
| Jackson Co | |
| La Porte, IN (Marginal) | |
| La Porte Co | |
| Louisville, KY-IN (Former Subpart 1) | |
| Clark Co [m*] | |
| Floyd Co [m*] | |
| Muncie, IN (Former Subpart 1) | |
| Delaware Co | |
| South Bend-Elkhart, IN (Former Subpart 1) | |
| Elkhart Co [m*] | |
| St Joseph Co [m*] | |
| Terre Haute, IN (Former Subpart 1) | |
| Vigo Co | |
| KENTUCKY (Region IV) | |
| Cincinnati-Hamilton, OH-KY-IN (Former Subpart 1) | |
| Boone Co [m*] | |
| Campbell Co [m*] | |
| Kenton Co [m*] | |
| Clarksville-Hopkinsville, TN-KY (Former Subpart 1) | |
| Christian Co | |
| Huntington-Ashland, WV-KY (Former Subpart 1) | |
| Boyd Co [m*] | |
| Louisville, KY-IN (Former Subpart 1) | |
| Bullitt Co [m*] | |
| Jefferson Co [m*] | |
| Oldham Co [m*] | |
| LOUISIANA (Region VI) | |
| Baton Rouge, LA (Moderate) | |
| Ascension Par [n*] | |
| East Baton Rouge Par [n*] | |
| Iberville Par [n*] | |
| Livingston Par [n*] | |
| West Baton Rouge Par [n*] | |
| MAINE (Region I) | |
| Hancock, Knox, Lincoln & Waldo Cos, ME (Former Subpart 1) | |
| Hancock Co (P) [m*] | |
| Knox Co (P) [n*] | |
| Lincoln Co (P) [n*] | |
| Waldo Co (P) [m*] | |
| (includes only the following town):Islesboro | |
| Portland, ME (Marginal) | |
| Androscoggin Co (P) [n*] | |
| (includes only the following town): Durham | |
| Cumberland Co (P) [n*] | |
| Sagadahoc Co [n*] | |
| York Co (P) [n*] | |
| MARYLAND (Region III) | |
| Kent and Queen Anne's Cos, MD (Marginal) | |
| Kent Co [m*] | |
| Queen Annes Co [m*] | |
| MICHIGAN (Region V) | |
| Allegan Co, MI (Former Subpart 1) | |
| Allegan Co [m*] | |
| Benton Harbor, MI (Former Subpart 1) | |
| Berrien Co | |
| Benzie Co, MI (Former Subpart 1) | |
| Benzie Co | |
| Cass Co, MI (Marginal) | |
| Cass Co | |
| Detroit-Ann Arbor, MI (Marginal) | |
| Lenawee Co | |
| Livingston Co [m*] | |
| Macomb Co [m*] | |
| Monroe Co [m*] | |
| Oakland Co [m*] | |
| St Clair Co [m*] | |
| Washtenaw Co [m*] | |
| Wayne Co [m*] | |
| Flint, MI (Former Subpart 1) | |
| Genesee Co [m*] | |
| Lapeer Co | |
| Grand Rapids, MI (Former Subpart 1) | |
| Kent Co [m*] | |
| Ottawa Co [m*] | |
| Huron Co, MI (Former Subpart 1) | |
| Huron Co | |
| Kalamazoo-Battle Creek, MI (Former Subpart 1) | |
| Calhoun Co | |
| Kalamazoo Co | |
| Van Buren Co | |
| Lansing-East Lansing, MI (Former Subpart 1) | |
| Clinton Co | |
| Eaton Co | |
| Ingham Co | |
| Mason Co, MI (Former Subpart 1) | |
| Mason Co | |
| Muskegon, MI (Marginal) | |
| Muskegon Co [m*] | |
| NORTH CAROLINA (Region IV) | |
| Haywood and Swain Cos (Great Smoky NP), NC (Former Subpart 1) | |
| Haywood Co (P) | |
| Great Smoky Mountain National Park | |
| Swain Co (P) | |
| Great Smoky Mountain National Park | |
| Raleigh-Durham-Chapel Hill, NC (Former Subpart 1) | |
| Chatham Co (P) | |
| Baldwin Township, Center Township, New Hope Township, Williams Township | |
| Durham Co [m*] | |
| Franklin Co | |
| Granville Co [m*] | |
| Johnston Co | |
| Orange Co | |
| Person Co | |
| Wake Co [m*] | |
| Rocky Mount, NC (Former Subpart 1) | |
| Edgecombe Co | |
| Nash Co | |
| OHIO (Region V) | |
| Canton-Massillon, OH (Former Subpart 1) | |
| Stark Co [m*] | |
| Cincinnati-Hamilton, OH-KY-IN (Former Subpart 1) | |
| Butler Co [m*] | |
| Clermont Co [m*] | |
| Clinton Co [m*] | |
| Hamilton Co [m*] | |
| Warren Co [m*] | |
| Cleveland-Akron-Lorain, OH (Moderate) | |
| Ashtabula Co [m*] | |
| Cuyahoga Co [m*] | |
| Geauga Co [m*] | |
| Lake Co [m*] | |
| Lorain Co [m*] | |
| Medina Co [m*] | |
| Portage Co [m*] | |
| Summit Co [m*] | |
| Columbus, OH (Former Subpart 1) | |
| Delaware Co [m*] | |
| Fairfield Co [*] | |
| Franklin Co [m*] | |
| Knox Co | |
| Licking Co [m*] | |
| Madison Co | |
| Dayton-Springfield, OH (Former Subpart 1) | |
| Clark Co [m*] | |
| Greene Co [m*] | |
| Miami Co [m*] | |
| Montgomery Co [m*] | |
| Lima, OH (Former Subpart 1) | |
| Allen Co | |
| Parkersburg-Marietta, WV-OH (Former Subpart 1) | |
| Washington Co [*] | |
| Steubenville-Weirton, OH-WV (Former Subpart 1) | |
| Jefferson Co [m*] | |
| Toledo, OH (Former Subpart 1) | |
| Lucas Co [m*] | |
| Wood Co [m*] | |
| Wheeling, WV-OH (Former Subpart 1) | |
| Belmont Co [*] | |
| Youngstown-Warren-Sharon, OH-PA (Former Subpart 1) | |
| Columbiana Co [m*] | |
| Mahoning Co [m*] | |
| Trumbull Co [m*] | |
| PENNSYLVANIA (Region III) | |
| Allentown-Bethlehem-Easton, PA (Former Subpart 1) | |
| Carbon Co [n*] | |
| Lehigh Co [n*] | |
| Northampton Co [n*] | |
| Altoona, PA (Former Subpart 1) | |
| Blair Co [n*] | |
| Clearfield and Indiana Cos, PA (Former Subpart 1) | |
| Clearfield Co | |
| Indiana Co [*] | |
| Erie, PA (Former Subpart 1) | |
| Erie Co [n*] | |
| Franklin Co, PA (Former Subpart 1) | |
| Franklin Co [n*] | |
| Greene Co, PA (Former Subpart 1) | |
| Greene Co [n*] | |
| Harrisburg-Lebanon-Carlisle, PA (Former Subpart 1) | |
| Cumberland Co [n*] | |
| Dauphin Co [n*] | |
| Lebanon Co [n*] | |
| Perry Co [n*] | |
| Johnstown, PA (Former Subpart 1) | |
| Cambria Co [n*] | |
| Lancaster, PA (Marginal) | |
| Lancaster Co [n*] | |
| Reading, PA (Former Subpart 1) | |
| Berks Co [m*] | |
| Scranton-Wilkes-Barre, PA (Former Subpart 1) | |
| Lackawanna Co [n*] | |
| Luzerne Co [n*] | |
| Monroe Co [n*] | |
| Wyoming Co [n*] | |
| State College, PA (Former Subpart 1) | |
| Centre Co | |
| Tioga Co, PA (Former Subpart 1) | |
| Tioga Co | |
| York, PA (Former Subpart 1) | |
| Adams Co [n*] | |
| York Co [n*] | |
| Youngstown-Warren-Sharon, OH-PA (Former Subpart 1) | |
| Mercer Co [n*] | |
| TENNESSEE (Region IV) | |
| Clarksville-Hopkinsville, TN-KY (Former Subpart 1) | |
| Montgomery Co | |
| Knoxville, TN (Former Subpart 1) | |
| Anderson Co [*] | |
| Blount Co [*] | |
| Cocke Co (P) | |
| (Great Smoky Mtn Park) | |
| Jefferson Co | |
| Knox Co [m*] | |
| Loudon Co [*] | |
| Sevier Co | |
| Memphis, TN-AR (Moderate) | |
| Shelby Co [m*] | |
| TEXAS (Region VI) | |
| Beaumont-Port Arthur, TX (Moderate) | |
| Hardin Co [n*] | |
| Jefferson Co [n*] | |
| Orange Co [n*] | |
| VIRGINIA (Region III) | |
| Fredericksburg, VA (Moderate) | |
| Fredericksburg | |
| Spotsylvania Co | |
| Stafford Co [n*] | |
| Madison and Page Cos (Shenandoah NP), VA (Former Subpart 1) | |
| Madison Co (P) | |
| Page Co (P) | |
| Norfolk-Virginia Beach-Newport News (HR),VA (Marginal) | |
| Chesapeake [m*] | |
| Gloucester Co | |
| Hampton [m*] | |
| Isle Of Wight Co | |
| James City Co [m*] | |
| Newport News [m*] | |
| Norfolk [m*] | |
| Poquoson [m*] | |
| Portsmouth [m*] | |
| Suffolk [m*] | |
| Virginia Beach [m*] | |
| Williamsburg [m*] | |
| York Co [m*] | |
| Richmond-Petersburg, VA (Marginal) | |
| Charles City Co [m*] | |
| Chesterfield Co [m*] | |
| Colonial Heights [m*] | |
| Hanover Co [m*] | |
| Henrico Co [m*] | |
| Hopewell [m*] | |
| Petersburg | |
| Prince George Co | |
| Richmond [m*] | |
| WEST VIRGINIA (Region III) | |
| Charleston, WV (Former Subpart 1) | |
| Kanawha Co [m*] | |
| Putnam Co [m*] | |
| Huntington-Ashland, WV-KY (Former Subpart 1) | |
| Cabell Co [m*] | |
| Wayne Co [m*] | |
| Parkersburg-Marietta, WV-OH (Former Subpart 1) | |
| Wood Co [m*] | |
| Steubenville-Weirton, OH-WV (Former Subpart 1) | |
| Brooke Co [*] | |
| Hancock Co [*] | |
| Wheeling, WV-OH (Former Subpart 1) | |
| Marshall Co [*] | |
| Ohio Co [*] | |
| WISCONSIN (Region V) | |
| Door Co, WI (Former Subpart 1) | |
| Door Co [m*] | |
| Kewaunee Co, WI (Former Subpart 1) | |
| Kewaunee Co [m*] | |
| Manitowoc Co, WI (Former Subpart 1) | |
| Manitowoc Co [m*] | |
Notes:
n = area has whole or part county or counties in a previous 1-hr Ozone nonattainment area (as of June 15, 2005) no longer subject to the 1-hour standard
m = area has whole or part county or counties in a previous 1-hr Ozone maintenance area (as of June 15, 2005) no longer subject to the 1-hour standard
* = area has whole or part county or counties in a CO, PM-10, or PM-2.5 nonattainment or maintenance area or previous 1-hr Ozone nonattainment or maintenance area (as of June 15, 2005)
Details about the designations and classifications of previous 1-hour ozone nonattainment and maintenance areas can be found here.
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