Castro Valley Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

Castro Valley

Alameda County, California

2026-01-21 01:00

AQI (US)

Moderate

Pollutants|Pollens

PM2.5

μg/m³

11

Weather

12℃

75%

0 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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