Sheridan Library Air Quality
Monitoring Station
· Littleton, United States
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
28
10pm
30
30
29
1am
30
30
32
4am
32
30
30
7am
30
30
30
10am
30
—
—
1pm
—
—
—
4pm
—
—
—
7pm
—
—
CAMS model
adj +5
25
25
25
24
25
25
27
27
25
25
25
25
25
25
Air Quality Forecast (24h)
PM2.56.8 µg/m³
✓ WHO
Good
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T01:02 UTC.