Mt. Ninham, New York, USA Air Quality
Monitoring Station
· Danbury, United States
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
59
12am
59
59
59
3am
59
59
59
6am
39
39
59
9am
59
39
39
12pm
32
—
—
3pm
—
—
—
6pm
—
—
—
9pm
—
—
CAMS model
adj +5
54
54
54
54
54
54
54
34
34
54
54
34
34
27
Air Quality Forecast (24h)
PM2.514.0 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 2026-08-08T03:00 UTC.