Concord, Contra Costa, California Air Quality

Monitoring Station · Pleasant Hill, United States
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
25 9pm
24
28
24 12am
33
33
33 3am
53
53
53 6am
33
33
33 9am
33
26
12pm
3pm
6pm
Station readings
25
28
CAMS model adj -1
25
25
25
25
34
34
34
54
54
54
34
34
34
34
27
PM2.56.7 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:12 UTC.