This page displays the Air Quality Forecast individually for each monitoring site in San Diego County.

AQ Forecast by Site

Today's Alpine Forecast Maximum

AQI Pollutant

AQI PM 2.5

AQI OZONE

Tomorrow's Alpine Forecast Maximum

AQI Pollutant

AQI PM 2.5

AQI OZONE

Select an air quality site on the map below to display air quality forecast.

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0-50 Good

51-100 Moderate

101-150 Unhealthy for Sensitive Groups

151-200 Unhealthy

201-300 Very Unhealthy

301-500 Hazardous