ARB's Geographical Information System (GIS) Library
This page last reviewed September 25, 2008
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)
Federal Designations
Federal 8hr Ozone (ZIP - 4,218K)
Federal 1hr Ozone (ZIP - 4,034K)
Federal PM10 (ZIP - 4,185K)
Federal PM2.5 (ZIP - 3874K)
Federal CO, SO2, and NO2 (ZIP - 4,006K)
Federal Regional Haze Class 1 Areas (ZIP -
238K)
State Designations
State 1hr Ozone
(ZIP - 3,945K)
State PM2.5 (ZIP - 4,059K)
State PM10 (ZIP - 3,948K)
State Carbon Monoxide (ZIP - 3,944K)
State Nitrogen Dioxide (ZIP -
3,945K)
State Sulfur Dioxide (ZIP - 3,945K)
State Sulfates (ZIP - 3,984K)
State Lead (ZIP - 3,945K)
State Hydrogen Sulfide (ZIP - 3,996K)
State Visibility Reducing Particles
(ZIP - 3,945K)
California Air Monitoring Stations
2001-2003 Air Monitoring
Stations (ZIP - 24K)
2002-2004 Air Monitoring Stations
(ZIP - 31K)