Area Designations for 1997 Fine Particle (PM2.5) Standards
1997 PM2.5 Standards — Region 5 State Designations
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Boundary Designations for the 1997 PM2.5 Standard - EPA Region 5
This table identifies all counties EPA has designated as nonattainment. In some cases EPA designated partial counties. These are identified by a (P). If a county is not listed below, EPA has designated it as unclassifiable/attainment.
| State | Area Name | Counties |
|---|---|---|
| Illinois | Chicago-Gary-Lake County, IL-IN | Cook DuPage Grundy (P) Kane Kendall (P) Lake McHenry Will |
| St. Louis, MO-IL | Madison Monroe Randolph (P) St. Clair |
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| Indiana* | Chicago-Gary-Lake County, IL-IN | Lake Porter |
| Cincinnati-Hamilton, OH-KY-IN | Dearborn (P) | |
| Evansville, IN | Dubois Gibson (P) Pike (P) Spencer (P) Vanderburgh Warrick |
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| Indianapolis, IN | Hamilton Hendricks Johnson Marion Morgan |
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| Louisville, KY-IN | Clark Floyd Jefferson (P) |
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| Michigan* | Detroit-Ann Arbor, MI | Livingston Macomb Monroe Oakland St. Clair Washtenaw Wayne |
| Minnesota | Entire state is attainment/unclassifiable | |
| Ohio* | Canton-Masillon, OH | Stark |
| Cincinnati-Hamilton, OH-KY-IN | Butler Clermont Hamilton Warren |
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| Cleveland-Akron-Lorain, OH | Ashtabula (P) Cuyahoga Lake Lorain Medina Portage Summit |
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| Columbus, OH | Coshocton (P) Delaware Fairfield Franklin Licking |
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| Dayton-Springfield, OH | Clark Greene Montgomery |
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| Huntington-Ashland, WV-KY-OH | Adams (P) Gallia (P) Lawrence Scioto |
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| Parkersburg-Marietta, WV-OH | Washington | |
| Steubenville-Weirton, OH-WV | Jefferson | |
| Wheeling, WV-OH | Belmont | |
| Wisconsin | Entire state is attainment/unclassifiable | |