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

San Leandro

Alameda County, California

2026-04-27 20:00

CAQI (Europe)

Very Low

Pollutants|Pollens

PM2.5

μg/m³

6

Weather

17℃

58%

20 kph

6 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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