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

South San Francisco

San Mateo County, California

2025-12-10 22:00

CAQI (Europe)

Low

Pollutants|Pollens

PM2.5

μg/m³

17

Weather

16℃

67%

21 kph

1 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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South San Francisco