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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 at 4:30pm.


Forecast for 10/6/2008




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, click here.

  • Air Quality Index cautionary statements for ozone can be found here.

  • Air Quality Index cautionary statements for particulate matter can be found here.
  • County Observed:
    10/4/2008
    Updated Forecast for:
    10/5/2008
    Forecast for:
    10/6/2008
    San Joaquin 32 Good (O3) 37 Good (O3) 41 Good (O3)
    Stanislaus 31 Good (O3) 43 Good (O3) 48 Good (O3)
    Merced 32 Good (O3) 35 Good (O3) 41 Good (O3)
    Madera 30 Good (O3) 39 Good (O3) 47 Good (O3)
    Fresno 45 Good (PM2.5) 44 Good (O3) 61 Moderate (O3)
    Kings 29 Good (O3) 39 Good (O3) 44 Good (O3)
    Tulare 30 Good (O3) 39 Good (O3) 54 Moderate (O3)
    Kern (SJV Air Basin portion) 32 Good (PM2.5) 45 Good (PM2.5) 67 Moderate (O3)
    NA—insufficient data to calculate an AQI.