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ARB's Geographical Information System (GIS) Library
This page last reviewed October 29, 2010
This GIS data library is a depository for ARB GIS shapefiles. Each zipped shapefile includes a metadata .xml file.
Boundaries
California Air Basins (ZIP
- 2,190K)
California Counties (ZIP - 4,062K)
California Districts (ZIP - 2,957K)
California County, Air Basin, and Districts (CoAbDis)
(ZIP - 4,113K)
(for the most complete, up-to-date shapefiles for federal ozone and pm2.5 designations, please visit the U.S. EPA Area GIS download page)
Federal
8hr Ozone 2009 (ZIP - 3.99M)
Federal
PM10 2009 (ZIP - 4.07M)
Federal
PM2.5 2009 (ZIP - 262K)
Federal
CO, SO2, and NO2 2009 (ZIP - 3.78M)
Federal
Regional Haze Class 1 Areas (ZIP - 238K)
State Designations
State
Ozone 2009/2010 (ZIP - 3.85M)
State
PM2.5 2009/2010 (ZIP - 3.96M)
State
PM10 2009/2010 (ZIP - 3.86M)
State
Carbon Monoxide 2009/2010 (ZIP - 3.85M)
State
Nitrogen Dioxide 2009/2010 (ZIP - 3.85M)
State
Sulfur Dioxide 2009/2010 (ZIP - 3.85M)
State
Sulfates 2009/2010 (ZIP - 3.89M)
State
Lead 2009/2010 (ZIP - 3.85M)
State
Hydrogen Sulfide 2009/2010 (ZIP - 3.90M)
State
Visibility Reducing Particles 2009/2010 (ZIP - 3.85M)
California Air Monitoring Stations
2001-2003 Air Monitoring
Stations (ZIP - 24K)
2002-2004 Air Monitoring Stations
(ZIP - 31K)
