City of Golden - W. Colfax Avenue Air Quality
Monitoring Station
· Golden, United States
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
33
1am
31
41
43
4am
43
41
41
7am
41
41
41
10am
41
41
41
1pm
41
43
—
4pm
—
—
—
7pm
—
—
—
10pm
—
—
Station readings
33
31
CAMS model
adj +16
24
25
25
27
27
25
25
25
25
25
25
25
25
25
27
Air Quality Forecast (24h)
PM2.57.4 µg/m³
✓ WHO
Good
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T04:46 UTC.