Updated: May 21, 2008
Next update: May 2009

Air Quality

Air Quality Statistics contains various air quality measures for more than 600 locations throughout California. Also see toxic metals and toxic gas files for additional air quality information. Many categories are reported sporadically. The source is the Air Resources Board.

Carbon Monoxide
Hydrogen Sulfide

Nitrogen Dioxide

Ozone
Heavy Particulate Matter (10uM & Less)
Light Particulate Matter (2.5uM & Less)
Sulfur Dioxide

 

Please choose a county or air basin to return all stations in that county or air basin.

Counties A-N Counties O-Y Air Basins

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