Arapahoe Community College

Monitoring Station · Littleton, United States
8
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
15 10pm
15
8
15 1am
27
40
40 4am
40
27
27 7am
15
15
15 10am
15
15
1pm
4pm
7pm
Station readings
8
CAMS model adj -10
25
25
25
25
37
50
50
50
37
37
25
25
25
25
25
PM2.52.0 µg/m³ ✓ WHO
Good
PM108.0 µg/m³
Good

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T01:57 UTC.