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Climatology, Meteorology and Atmosphere
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2631. Nonattainment Areas for Sulfur Dioxide Pollution, United States and Territories, 1971
1971. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the sulfur diox... United States. Bureau of Transportation Statistics.
2632. Nonattainment Areas for Sulfur Dioxide Pollution, United States and Territories, 1978
1978. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the sulfur diox... United States. Bureau of Transportation Statistics.
2633. Nonattainment Areas for Sulfur Dioxide Pollution, United States and Territories, 2010
2010. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the sulfur diox... United States. Bureau of Transportation Statistics.
2634. One-Hour Ozone Areas: Federal Designations, California, 2003
2003. California Air Resources Board. Planning and Technical Support Division and Stephen P. Teale Data Center (Calif.). . This polygon shapefile contains federal one-hour ozone area designations and their classifications as per 40CFR81.305, part of the National Ambient... California. Air Resources Board.
2635. Particulate Matter (PM-10): Federal Area Designations: California, 2011
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.
2636. Particulate Matter (PM-10): Federal Non-Attainment Area Designations, U.S. Region 9, 2013
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.
2637. 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.
2638. Precipitation in Watersheds: San Francisco Bay Area, California, 2009
2009. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts a watershed integrity cluster analysis at the CalWater 2.2.1 Planning Watershed (PWS) level performed by mapping fac... Bay Area Open Space Council.
2639. Precipitation: Mendocino County, California
2002. Circuit Rider Productions. This polygon shapefile represents lines of precipitation in Mendocino County, California. These data represent a repojected version of an original ... Circuit Rider Productions.
2640. Precipitation: Sonoma County, California
2002. Circuit Rider Productions. This polygon shapefile represents lines of precipitation in Sonoma County, California. These data represent a reprojected version of a precipitatio... Circuit Rider Productions.