Athens, Boulder-CU, Colorado, USA Air Quality

Monitoring Station · Boulder, United States
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
46 9pm
34
38
38 12am
38
38
40 3am
40
40
40 6am
40
40
38 9am
38
38
12pm
3pm
6pm
Station readings
46
34
CAMS model adj +13
25
25
25
25
25
25
27
27
27
27
27
27
25
25
25
PM2.58.2 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:19 UTC.