Concord, Contra Costa, California Air Quality

Monitoring Station · Pleasant Hill, United States
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
22 6pm
88
88
88 9pm
88
88
88 12am
88
88
88 3am
88
88
88 6am
88
88
9am
12pm
3pm
CAMS model adj +54
27
34
34
34
34
34
34
34
34
34
34
34
34
34
34
PM2.55.3 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T21:53 UTC.