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

San Francisco

San Francisco County, California

2026-03-11 13:00

AQI (China)

Excellent

Pollutants|Pollens

PM2.5

μg/m³

12

NO2

μg/m³

28.5

CO

μg/m³

500

Weather

11℃

75%

3 kph

0 of 11

Historical Data

Places included

Data Sources

http://www.airnow.gov/

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Cities Nearby

South San Francisco