Concord, Contra Costa, California Air Quality

Monitoring Station · Pleasant Hill, United States
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
47 8pm
57
42
42 11pm
42
35
35 2am
35
35
35 5am
35
35
35 8am
35
35
— 11am
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—
— 2pm
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— 5pm
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Station readings
47
57
CAMS model adj +8
27
34
34
34
34
27
27
27
27
27
27
27
27
27
27

Air Quality Forecast (24h)

PM2.515.0 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

8
Concord, Contra Costa, California
0.0 km PM2.5: 1.9 µg/m³
12
Martinez 3
11.2 km PM2.5: 2.8 µg/m³
12
Berkeley-Martinez 1
12.7 km PM2.5: 3.0 µg/m³
10
Skyline HS
19.2 km PM2.5: 2.4 µg/m³
10
Thornhill ES
19.7 km PM2.5: 2.4 µg/m³
10
Montera MS/Joaquin Miller ES
20.2 km PM2.5: 2.4 µg/m³
11
Montclair ES
20.2 km PM2.5: 2.6 µg/m³
19
Lawrence Hall of Science
20.3 km PM2.5: 4.5 µg/m³

Nearby Cities

17 Pleasant Hill 15 Walnut Creek 18 Bay Point 12 Martinez 12 Moraga 12 Orinda 18 Pittsburg 12 Benicia 13 San Ramon

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T23:40 UTC.