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8-Hour Ozone (2015) Maintenance Areas (Redesignated from Nonattainment) by State/County/Area
8-Hour Ozone (2015) Maintenance Areas (Redesignated from Nonattainment) by State/County/Area
Data is current as of March 31, 2025Click underlined column heading to change report order
| State | County | Area Name | County NA Whole/Part |
2010 Population |
State/ County FIPS |
|---|---|---|---|---|---|
| click link for partial county description |
whole or partial county population |
||||
| GEORGIA | Bartow County | Atlanta, GA | Whole | 100,157 | 13/015 |
| GEORGIA | Clayton County | Atlanta, GA | Whole | 259,424 | 13/063 |
| GEORGIA | Cobb County | Atlanta, GA | Whole | 688,078 | 13/067 |
| GEORGIA | DeKalb County | Atlanta, GA | Whole | 691,893 | 13/089 |
| GEORGIA | Fulton County | Atlanta, GA | Whole | 920,581 | 13/121 |
| GEORGIA | Gwinnett County | Atlanta, GA | Whole | 805,321 | 13/135 |
| GEORGIA | Henry County | Atlanta, GA | Whole | 203,922 | 13/151 |
| INDIANA | Clark County | Louisville, KY-IN | Whole | 110,232 | 18/019 |
| INDIANA | Floyd County | Louisville, KY-IN | Whole | 74,578 | 18/043 |
| KENTUCKY | Boone County | Cincinnati, OH-KY | Part | 113,158 | 21/015 |
| KENTUCKY | Campbell County | Cincinnati, OH-KY | Part | 82,634 | 21/037 |
| KENTUCKY | Kenton County | Cincinnati, OH-KY | Part | 152,176 | 21/117 |
| MICHIGAN | Livingston County | Detroit, MI | Whole | 180,967 | 26/093 |
| MICHIGAN | Macomb County | Detroit, MI | Whole | 840,978 | 26/099 |
| MICHIGAN | Monroe County | Detroit, MI | Whole | 152,021 | 26/115 |
| MICHIGAN | Oakland County | Detroit, MI | Whole | 1,202,362 | 26/125 |
| MICHIGAN | St. Clair County | Detroit, MI | Whole | 163,040 | 26/147 |
| MICHIGAN | Washtenaw County | Detroit, MI | Whole | 344,791 | 26/161 |
| MICHIGAN | Wayne County | Detroit, MI | Whole | 1,820,584 | 26/163 |
| OHIO | Butler County | Cincinnati, OH-KY | Whole | 368,130 | 39/017 |
| OHIO | Clermont County | Cincinnati, OH-KY | Whole | 197,363 | 39/025 |
| OHIO | Delaware County | Columbus, OH | Whole | 174,214 | 39/041 |
| OHIO | Fairfield County | Columbus, OH | Whole | 146,156 | 39/045 |
| OHIO | Franklin County | Columbus, OH | Whole | 1,163,414 | 39/049 |
| OHIO | Hamilton County | Cincinnati, OH-KY | Whole | 802,374 | 39/061 |
| OHIO | Licking County | Columbus, OH | Whole | 166,492 | 39/089 |
| OHIO | Warren County | Cincinnati, OH-KY | Whole | 212,693 | 39/165 |
| WISCONSIN | Door County | Door County, WI | Part | 31 | 55/029 |
| WISCONSIN | Door County | Door County-Revised, WI | Part | 17,004 | 55/029 |
| WISCONSIN | Manitowoc County | Manitowoc County, WI | Part | 56,623 | 55/071 |
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