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

San Francisco

San Francisco County, California

2025-03-18 20:00

AQI (China)

Excellent

Pollutants|Pollens

O3

μg/m³

62.1

CO

μg/m³

500

NO2

μg/m³

9

PM2.5

μg/m³

1

Weather

13℃

58%

10 kph

5 of 11

Historical Data

Places included

Data Sources

http://www.airnow.gov/

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Cities Nearby

South San Francisco