AQ Index for San Francisco County, California

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Air Quality Index for San Francisco County, California

The area with the highest AQ Index (as of 3:00 PST) in is in the San Francisco area. Ozone (OZONE) is measuring at 28 (Good). This means air quality is satisfactory, and air pollution poses little or no risk.

Over the next few days, the highest primary air pollutant will be Particle Pollution (PM2.5) in the San Francisco area. It is forecasted to be 28 (Good), meaning air quality is satisfactory, and air pollution poses little or no risk.

Below is a clickable map of San Francisco County, California. The markers on the map identify large, populated cities. If you hover over a marker, it will display the city name and the current AQ index. The color of the city markers also references the current AQ risk level.

Range0 - 5051 - 100101 - 150151 - 200201 - 300301 - 500
Color
CategoryGoodModerateUnhealthy for Sensitive GroupsUnhealthyVery UnhealthyHazardous

Last Updated 9 minutes ago

AQ Index Forecast by City in San Francisco County

Below is a list of cities in San Francisco County where we track and forecast the AQ index. Click on a city name to get the current AQ index as well as any available forcasts.

San Francisco