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

San Francisco County

California

2026-08-09 03:00

CAQI (Europe)

Very Low

Pollutants|Pollens

O3

μg/m³

47.1

PM2.5

μg/m³

5

NO2

μg/m³

3.1

CO

μg/m³

125

Weather

14℃

81%

16 kph

0 of 11

Historical Data

Places included

Data Sources

http://www.airnow.gov/

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Cities Nearby

South San Francisco