Colfax-City Hall, Placer, California

Monitoring Station · Granite Bay, United States
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
25 2am
25
25
25 5am
37
37
37 8am
37
37
37 11am
37
37
37 2pm
37
37
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

21
Colfax-City Hall, Placer, California
0.0 km
22
Colfax-City Hall, Placer, California
0.0 km
27
Auburn-11645 Atwood Road, Placer, California
22.2 km

Nearby Cities

15 Granite Bay 15 Rocklin 18 El Dorado Hills 11 Cameron Park 15 Folsom 17 Linda 15 Citrus Heights 15 Orangevale 15 Antelope

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T05:33 UTC.