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

Castro Valley

Alameda County, California

2026-04-25 11:00

CAQI (Europe)

Very Low

Pollutants|Pollens

PM2.5

μg/m³

8

Weather

12℃

74%

13 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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