Concord, Contra Costa, California Air Quality
Monitoring Station
· Pleasant Hill, United States
8
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
32
8pm
8
39
39
11pm
39
32
32
2am
32
32
32
5am
32
32
32
8am
32
32
—
11am
—
—
—
2pm
—
—
—
5pm
—
—
Station readings
8
CAMS model
adj +5
27
34
34
34
34
27
27
27
27
27
27
27
27
27
27
Air Quality Forecast (24h)
PM2.51.9 µg/m³
✓ WHO
Good
Nearby Monitoring Stations
57
Concord, Contra Costa, California
12
Martinez 3
12
Berkeley-Martinez 1
10
Skyline HS
10
Thornhill ES
10
Montera MS/Joaquin Miller ES
11
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 2026-05-29T23:40 UTC.