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 9pm
500
500
225 12am
237
237
250 3am
250
250
250 6am
250
237
237 9am
225
225
— 12pm
—
—
— 3pm
—
—
— 6pm
—
—
Station readings
0
500
500
0
CAMS model adj +200
12
12
25
25
37
37
50
50
50
50
50
37
37
25
25

Air Quality Trend (24h)

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

Nearby Monitoring Stations

18
Longmont Collocation 1
20.3 km PM2.5: 4.2 µg/m³
13
Longmont - Municipal, Colorado, USA
20.3 km
13
Longmont - Municipal, Colorado, USA
20.3 km
18
Northwest Open Space
27.3 km PM2.5: 4.2 µg/m³
18
Fremont Elementary School
27.6 km PM2.5: 4.3 µg/m³
165
Recreation Center, Senior Center, and Theatre
28.1 km PM2.5: 82.9 µg/m³
16
North Mor Elementary School
30.4 km PM2.5: 3.9 µg/m³
16
North Star
31.2 km PM2.5: 3.8 µg/m³

Nearby Cities

18 Boulder 17 Louisville 18 Erie 16 Longmont 18 Broomfield 18 Northglenn 18 Arvada 18 Golden 18 Thornton

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T00:59 UTC.