Concord, Contra Costa, California Air Quality
Monitoring Station
· Pleasant Hill, United States
9
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
30
9pm
25
9
25
12am
34
34
34
3am
54
54
54
6am
34
34
34
9am
34
27
—
12pm
—
—
—
3pm
—
—
—
6pm
—
—
Station readings
30
9
CAMS model
25
25
25
25
34
34
34
54
54
54
34
34
34
34
27
Air Quality Trend (24h)
PM2.52.2 µg/m³
✓ WHO
Good
Nearby Monitoring Stations
28
Concord, Contra Costa, California
14
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15
Berkeley-Martinez 1
14
Skyline HS
14
Thornhill ES
15
Montera MS/Joaquin Miller ES
15
Montclair ES
19
Lawrence Hall of Science
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:12 UTC.