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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 2/4/2012




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:
    Thursday 2/2/2012
    Forecast for:
    Friday 2/3/2012
    Forecast for:
    Saturday 2/4/2012
    San Joaquin 30 Good (O3) 62 Moderate (PM2.5) 70 Moderate (PM2.5)
    Stanislaus 45 Good (PM2.5) 78 Moderate (PM2.5) 80 Moderate (PM2.5)
    Merced 49 Good (PM2.5) 66 Moderate (PM2.5) 68 Moderate (PM2.5)
    Madera 58 Moderate (PM2.5) 76 Moderate (PM2.5) 70 Moderate (PM2.5)
    Fresno 66 Moderate (PM2.5) 85 Moderate (PM2.5) 72 Moderate (PM2.5)
    Kings 49 Good (PM2.5) 76 Moderate (PM2.5) 54 Moderate (PM2.5)
    Tulare 49 Good (PM2.5) 76 Moderate (PM2.5) 56 Moderate (PM2.5)
    Kern (SJV Air Basin portion) 54 Moderate (PM2.5) 78 Moderate (PM2.5) 58 Moderate (PM2.5)
    Kern (Greater Frazier Park Area) 39 Good (PM2.5) 58 Moderate (PM2.5) 6 Good (PM2.5)
    NA—insufficient data to calculate an AQI.

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