You searched for: Access Public Remove constraint Access: Public Subject Air quality management Remove constraint Subject: Air quality management Subject Climatology, Meteorology and Atmosphere Remove constraint Subject: Climatology, Meteorology and Atmosphere Place California Remove constraint Place: California Place Arizona Remove constraint Place: Arizona Data type Polygon Remove constraint Data type: Polygon
2013. United States. Environmental Protection Agency. Region IX. This polygon shapefile contains nonattainment areas for particulate matter < 10 microns. Nonattainment areas are geographic areas which have not... United States. Environmental Protection Agency. Region IX.