Search

Search Constraints

Start Over You searched for: Author United States. Environmental Protection Agency. Remove constraint Author: United States. Environmental Protection Agency. Subject Organic compounds Remove constraint Subject: Organic compounds Subject Climatology, Meteorology and Atmosphere Remove constraint Subject: Climatology, Meteorology and Atmosphere Institution Stanford Remove constraint Institution: Stanford Place California Remove constraint Place: California Data type Polygon Remove constraint Data type: Polygon Year 2011 Remove constraint Year: 2011

Search Results

1. Particulate Matter (PM-2.5) Non-Attainment Areas: California, 2011 Polygon Stanford University Public content

2011. United States. Environmental Protection Agency. . This polygon shapefile identifies areas in the U.S. where air pollution levels have not met the 2006 National Ambient Air Quality Standards (NAAQS)... California. Air Resources Board.