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

Cupertino

Santa Clara County, California

2026-03-11 20:00

AQI (China)

Excellent

Pollutants|Pollens

PM2.5

μg/m³

16

Weather

24℃

27%

9 kph

4 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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Cities Nearby

Los Altos Hills