Athens, Boulder-CU, Colorado, USA Air Quality

Monitoring Station · Boulder, United States
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

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AQI Forecast Calibrated
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Station readings
33
CAMS model adj +23
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Air Quality Forecast (24h)

PM2.57.9 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

2
united-states-of-america-boulder-joslyn-court
2.8 km PM2.5: 0.4 µg/m³
34
Longmont Collocation 1
22.0 km PM2.5: 8.2 µg/m³
29
Longmont - Municipal, Colorado, USA
22.0 km PM2.5: 7.0 µg/m³
46
Fremont Elementary School
25.0 km PM2.5: 11.1 µg/m³
42
Westminster Town Hall
25.1 km PM2.5: 10.0 µg/m³
35
Northwest Open Space
25.4 km PM2.5: 8.5 µg/m³
33
North Mor Elementary School
28.4 km PM2.5: 8.0 µg/m³
25
North Star
29.2 km PM2.5: 5.9 µg/m³

Nearby Cities

13 Boulder 30 Louisville 32 Broomfield 30 Erie 34 Longmont 30 Northglenn 36 Arvada 45 Golden 28 Sherrelwood

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T00:59 UTC.