Athens, Boulder-CU, Colorado, USA Air Quality

Monitoring Station · Boulder, United States
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

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AQI Forecast
13 5pm
15
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Station readings
13
15

Air Quality Forecast (24h)

PM2.53.6 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

13
Athens, Boulder-CU, Colorado, USA
0.0 km PM2.5: 3.1 µg/m³
22
Longmont Collocation 1
22.0 km PM2.5: 5.2 µg/m³
21
Longmont - Municipal, Colorado, USA
22.0 km PM2.5: 5.0 µg/m³
27
Longmont - Municipal, Colorado, USA
22.0 km PM2.5: 6.5 µg/m³
25
Longmont - Municipal, Colorado, USA
22.0 km PM2.5: 6.0 µg/m³
45
Fremont Elementary School
25.0 km PM2.5: 10.9 µg/m³
44
Westminster Town Hall
25.1 km PM2.5: 10.6 µg/m³
41
Northwest Open Space
25.4 km PM2.5: 9.9 µg/m³

Nearby Cities

15 Boulder 37 Louisville 42 Broomfield 35 Erie 23 Longmont 41 Northglenn 41 Arvada 32 Golden 40 Sherrelwood

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-10-20T20:57 UTC.