Arapahoe Community College Air Quality
Monitoring Station
· Littleton, United States
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
55
5pm
46
42
55
8pm
55
55
55
11pm
55
55
55
2am
55
55
55
5am
57
57
—
8am
—
—
—
11am
—
—
—
2pm
—
—
Station readings
46
42
CAMS model
adj +30
25
25
25
25
25
25
25
25
25
25
25
25
25
27
27
Air Quality Forecast (24h)
PM2.510.0 µg/m³
✓ WHO
Good
PM1036.0 µg/m³
Good
Nearby Monitoring Stations
62
Runyon Elementary School
61
South Bannock Street
62
Broken Tee Golf Course
59
Sheridan Library
61
Sheridan Square Park
59
Cushing Park
64
Northwest Greenbelt
28
Dunston Middle School
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:53 UTC.