San Francisco County Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

San Francisco County

California

2026-05-11 20:00

AQI (China)

Excellent

Pollutants|Pollens

PM2.5

μg/m³

11

O3

μg/m³

34.3

NO2

μg/m³

12.9

CO

μg/m³

250

Weather

20℃

63%

17 kph

8 of 11

Historical Data

Places included

Data Sources

http://www.airnow.gov/

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Cities Nearby

South San Francisco