Nonattainment Area - Particulate Matter - 2.5 Annual (2012 Standard)
The Nonattainment Area - Particulate Matter-2.5 (2012) dataset was designated on April 15, 2015 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). This dataset provides …