united-states-of-america-boulder-joslyn-court Air Quality

Monitoring Station · Boulder, United States
0
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
49 6pm
27
59
59 9pm
59
59
59 12am
59
59
59 3am
59
59
59 6am
61
61
— 9am
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— 12pm
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— 3pm
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CAMS model adj +34
25
25
25
25
25
25
25
25
25
25
25
25
25
27
27

Air Quality Forecast (24h)

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Nearby Monitoring Stations

59
Athens, Boulder-CU, Colorado, USA
2.8 km PM2.5: 15.9 µg/m³
-
Rocky Flats - North
15.6 km
58
Longmont Collocation 1
20.3 km PM2.5: 15.6 µg/m³
6
Longmont - Municipal, Colorado, USA
20.3 km PM2.5: 1.4 µg/m³
62
Westminster Town Hall
27.3 km PM2.5: 17.5 µg/m³
67
Northwest Open Space
27.3 km PM2.5: 19.9 µg/m³
60
Fremont Elementary School
27.6 km PM2.5: 16.6 µg/m³
55
Recreation Center, Senior Center, and Theatre
28.1 km PM2.5: 14.1 µg/m³

Nearby Cities

28 Boulder 55 Louisville 57 Erie 58 Longmont 57 Broomfield 56 Northglenn 56 Arvada 58 Golden 53 Thornton

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T21:45 UTC.