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8-Hour Ozone (2015) Maintenance Area (Redesignated from Nonattainment) Area/State/County Report
8-Hour Ozone (2015) Maintenance Area (Redesignated from Nonattainment) Area/State/County Report
Data is current as of May 31, 2025| Atlanta, GA (Marginal - Maintenance) | |
| GEORGIA (Region IV) | |
| Bartow County | |
| Clayton County | |
| Cobb County | |
| DeKalb County | |
| Fulton County | |
| Gwinnett County | |
| Henry County | |
| Cincinnati, OH-KY (Moderate - Maintenance) | |
| KENTUCKY (Region IV) | |
| Boone County (P) | |
| Campbell County (P) | |
| Kenton County (P) | |
| OHIO (Region V) | |
| Butler County | |
| Clermont County | |
| Hamilton County | |
| Warren County | |
| Columbus, OH (Marginal - Maintenance) | |
| OHIO (Region V) | |
| Delaware County | |
| Fairfield County | |
| Franklin County | |
| Licking County | |
| Detroit, MI (Moderate - Maintenance) | |
| MICHIGAN (Region V) | |
| Livingston County | |
| Macomb County | |
| Monroe County | |
| Oakland County | |
| St. Clair County | |
| Washtenaw County | |
| Wayne County | |
| Door County, WI (Marginal (Rural Transport) - Maintenance) | |
| WISCONSIN (Region V) | |
| Door County (P) | |
Newport State Park Boundary | |
| Door County-Revised, WI (Marginal (Rural Transport) - Maintenance) | |
| WISCONSIN (Region V) | |
| Door County (P) | |
| The portion of Door County north of Sturgeon Bay Canal excluding Newport State Park | |
| Louisville, KY-IN (Marginal - Maintenance) | |
| INDIANA (Region V) | |
| Clark County | |
| Floyd County | |
| Manitowoc County, WI (Marginal - Maintenance) | |
| WISCONSIN (Region V) | |
| Manitowoc County (P) | |
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