GeoData @ UCB

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You searched for: Author United States. Environmental Protection Agency. Remove constraint Author: United States. Environmental Protection Agency. Publisher California. Air Resources Board Remove constraint Publisher: California. Air Resources Board Subject United States. Clean Air Act Remove constraint Subject: United States. Clean Air Act 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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1. Particulate Matter (PM-2.5) Non-Attainment Areas: California, 2011

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.