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Start Over You searched for: Format Shapefile Remove constraint Format: Shapefile Subject Sulfates Remove constraint Subject: Sulfates Subject Health Remove constraint Subject: Health Subject Organic compounds Remove constraint Subject: Organic compounds Subject Particulate nitrate Remove constraint Subject: Particulate nitrate 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

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2. Particulate Matter (PM-10): Federal Area Designations: California, 2011

Polygon Stanford University Public content
2011. United States. Environmental Protection Agency. Region IX. This polygon shapefile shows designated areas for particulate matter < 10 microns according to the 24-Hour National Ambient Air Quality Standard... California. Air Resources Board.

3. 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.