Concord, Contra Costa, California Air Quality

Monitoring Station · Pleasant Hill, United States
89
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
54 6pm
61
89
61 9pm
61
61
61 12am
61
61
61 3am
61
61
61 6am
61
61
— 9am
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—
— 12pm
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— 3pm
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Station readings
89
CAMS model adj +27
27
34
34
34
34
34
34
34
34
34
34
34
34
34
34

Air Quality Forecast (24h)

PM2.530.2 µg/m³ ×2.0 WHO
Moderate
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Nearby Monitoring Stations

22
Concord, Contra Costa, California
0.0 km PM2.5: 5.3 µg/m³
21
Martinez 3
11.2 km PM2.5: 5.1 µg/m³
23
Berkeley-Martinez 1
12.7 km PM2.5: 5.6 µg/m³
20
Skyline HS
19.2 km PM2.5: 4.7 µg/m³
23
Thornhill ES
19.7 km PM2.5: 5.5 µg/m³
23
Montera MS/Joaquin Miller ES
20.2 km PM2.5: 5.6 µg/m³
25
Montclair ES
20.2 km PM2.5: 6.1 µg/m³
22
Lawrence Hall of Science
20.3 km PM2.5: 5.2 µg/m³

Nearby Cities

35 Pleasant Hill 32 Walnut Creek 33 Bay Point 24 Martinez 28 Moraga 28 Orinda 34 Pittsburg 28 Benicia 28 San Ramon

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T21:53 UTC.