Cupertino City Hall Air Quality
Monitoring Station
· Cupertino, United States
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
14
11pm
14
23
23
2am
23
23
23
5am
23
23
23
8am
23
23
16
11am
16
16
—
2pm
—
—
—
5pm
—
—
—
8pm
—
—
Station readings
14
14
CAMS model
adj -11
27
27
34
34
34
34
34
34
34
34
34
34
27
27
27
Air Quality Forecast (24h)
PM2.53.3 µg/m³
✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:44 UTC.