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Area Designations for 1997 Fine Particle (PM2.5) Standards

Map of Nonattainment Areas

PM2.5 Attainment and Nonattainment Areas in the U.S.(as of December 17, 2004) - 2916 counties are attainment or unclassifiable, 191 entire counties are nonattainment, 34 partial counties are nonattainment.

Larger map (PDF) (1 p, 568KB)

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