Arapahoe Community College Air Quality

Monitoring Station · Littleton, United States
80
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
80 8pm
74
74
74 11pm
74
74
81 2am
81
101
101 5am
81
81
74 8am
74
74
11am
2pm
5pm
CAMS model adj +47
27
27
27
27
27
27
34
34
54
54
34
34
27
27
27
PM2.526.0 µg/m³ ×1.7 WHO
Moderate
PM1052.0 µg/m³
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-07T23:59 UTC.