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

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

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
212 7pm
212
212
212 10pm
225
225
237 1am
237
250
250 4am
250
250
250 7am
237
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— 10am
—
—
— 1pm
—
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— 4pm
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Station readings
0
0
0
CAMS model adj +200
12
12
12
12
25
25
37
37
50
50
50
50
50
37

Air Quality Trend (24h)

PM2.50.0 µg/m³
Good
PM100.0 µg/m³
Good

Nearby Monitoring Stations

73
Athens, Boulder-CU, Colorado, USA
2.8 km
22
Longmont Collocation 1
20.3 km PM2.5: 5.2 µg/m³
25
Northwest Open Space
27.3 km PM2.5: 5.9 µg/m³
25
Fremont Elementary School
27.6 km PM2.5: 6.0 µg/m³
165
Recreation Center, Senior Center, and Theatre
28.1 km PM2.5: 82.9 µg/m³
20
North Mor Elementary School
30.4 km PM2.5: 4.8 µg/m³
18
North Star
31.2 km PM2.5: 4.2 µg/m³

Nearby Cities

21 Boulder 21 Louisville 21 Erie 17 Longmont 22 Broomfield 21 Northglenn 22 Arvada 22 Golden 21 Thornton

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T22:16 UTC.