Concord, Contra Costa, California Air Quality

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

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
89 8pm
61
61
61 11pm
61
61
61 2am
61
61
61 5am
61
61
61 8am
61
—
— 11am
—
—
— 2pm
—
—
— 5pm
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—
CAMS model adj +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
20
Martinez 3
11.2 km PM2.5: 4.9 µg/m³
23
Berkeley-Martinez 1
12.7 km PM2.5: 5.4 µg/m³
18
Skyline HS
19.2 km PM2.5: 4.4 µg/m³
22
Thornhill ES
19.7 km PM2.5: 5.2 µg/m³
22
Montera MS/Joaquin Miller ES
20.2 km PM2.5: 5.2 µg/m³
24
Montclair ES
20.2 km PM2.5: 5.8 µg/m³
22
Lawrence Hall of Science
20.3 km PM2.5: 5.2 µg/m³

Nearby Cities

32 Pleasant Hill 30 Walnut Creek 31 Bay Point 23 Martinez 26 Moraga 27 Orinda 32 Pittsburg 25 Benicia 27 San Ramon

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T23:13 UTC.