Mt. Ninham, New York, USA Air Quality
Monitoring Station
· Danbury, United States
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
29
6pm
29
29
9
9pm
9
9
2
12am
9
9
9
3am
2
2
0
6am
2
—
—
9am
—
—
—
12pm
—
—
—
3pm
—
—
CAMS model
adj -25
54
54
54
34
34
34
27
34
34
34
27
27
25
27
Air Quality Forecast (24h)
PM2.513.1 µg/m³
✓ WHO
Moderate
Nearby Monitoring Stations
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T21:28 UTC.