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Area Designations for 1997 Fine Particle (PM_2.5) Standards

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Region 5: State Designations
Indiana PM_2.5 Designations Map

Indiana PM_2.5 Designations Map

The map shows that Lake and Porter Counties are within the Chicago-Gary-Lake County, IL-IN nonattainment area. Elkhart and St. Joseph Counties comprise the Elkhart nonattainment area. Delaware County comprises the Muncie unclassifiable area. Hamilton, Hendricks, Johnson, Marion, and Morgan Counties comprise the Indianapolis nonattainment area. Part of Dearborn County is within the Cincinnati-Hamilton, OH-KY-IN nonattainment area. Clark and Floyd Counties, as well as part of Jefferson County, are within the Louisville, KY-IN nonattainment area. Dubois, Vanderburgh, and Warrick Counties, as well as parts of Gibson, Pike, and Spencer Counties, comprise the Evansville nonattainment area. The remainder of the state has not been designated nonattainment.

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