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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 9/2/2010 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: Tuesday 8/31/2010 Updated Forecast for: Wednesday 9/1/2010 Forecast for: Thursday 9/2/2010 San Joaquin 47 Good (O3) 47 Good (O3) 54 Moderate (O3) Stanislaus 47 Good (O3) 47 Good (O3) 61 Moderate (O3) Merced 47 Good (O3) 71 Moderate (O3) 93 Moderate (O3) Madera 44 Good (O3) 74 Moderate (O3) 93 Moderate (O3) Fresno 64 Moderate (O3) 116 Unhealthy for Sensitive Groups (O3) 132 Unhealthy for Sensitive Groups (O3) Kings 52 Moderate (PM2.5) 97 Moderate (O3) 119 Unhealthy for Sensitive Groups (O3) Tulare 84 Moderate (O3) 109 Unhealthy for Sensitive Groups (O3) 127 Unhealthy for Sensitive Groups (O3) Kern (SJV Air Basin portion) 84 Moderate (O3) 122 Unhealthy for Sensitive Groups (O3) 140 Unhealthy for Sensitive Groups (O3) NA—insufficient data to calculate an AQI.