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Air Quality Data

Daily Air Quality Status and Forecast
Observed data is preliminary and subject to change
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This page is updated daily by 4:30pm.

Forecast for 2/9/2010




School Air-Quality Flags
The colors on the map correspond to the color of the school flag for your county.

More Information
  • If you are interested in more information about the Air Quality Index (AQI), click here.

  • Information about ozone pollution can be found here.

  • Information about particulate pollution can be found here.
    		•
    County Observed:
    Sunday 2/7/2010    		 Updated Forecast for:
    Monday 2/8/2010    		 Forecast for:
    Tuesday 2/9/2010
    San Joaquin 31 Good (O3) 42 Good (PM2.5) 52 Moderate (PM2.5)
    Stanislaus 32 Good (PM2.5) 45 Good (PM2.5) 54 Moderate (PM2.5)
    Merced 36 Good (PM2.5) 45 Good (PM2.5) 52 Moderate (PM2.5)
    Madera NA 42 Good (PM2.5) 49 Good (PM2.5)
    Fresno 39 Good (PM2.5) 52 Moderate (PM2.5) 49 Good (PM2.5)
    Kings 29 Good (PM2.5) 56 Moderate (PM2.5) 45 Good (PM2.5)
    Tulare 31 Good (O3) 26 Good (PM2.5) 42 Good (PM2.5)
    Kern (SJV Air Basin portion) 32 Good (O3) 32 Good (PM2.5) 42 Good (PM2.5)
    Kern (Greater Frazier Park Area) NA 16 Good (PM2.5) 19 Good (PM2.5)
    NA—insufficient data to calculate an AQI.