Arapahoe Community College Air Quality

Monitoring Station · Littleton, United States
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
8 9pm
12
9
9 12am
9
9
11 3am
11
18
18 6am
11
11
11 9am
9
9
12pm
3pm
6pm
Station readings
8
12
CAMS model adj -16
25
25
25
25
25
25
27
27
34
34
27
27
27
25
25
PM2.53.0 µg/m³ ✓ WHO
Good
PM109.0 µg/m³
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:25 UTC.