Air Quality in Danbury, United States
Windy
31.4°C · 48.7% humidity
31.4°
Feels 34.8°
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Danbury's air quality — share it
AQI Forecast
Calibrated
10
8am
11
11
41
11am
31
25
21
2pm
18
16
14
5pm
13
13
12
8pm
12
12
12
11pm
11
11
10
2am
10
10
10
5am
10
10
Station readings
11
Air Quality Index Trend
45h · 8 stnDanbury's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
48.7%
Humidity
47.2 km/h
Wind W
1015.0 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.78 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Danbury?
Temperature & Precipitation
PM2.5 Trend
45h · 8 stationsPM2.59.78 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (2 stations within 25 km)
9.78
Median
6.25
Average
2.7
Low
9.8
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -3.8
What is the 7-day forecast for Danbury?
09-05
31.4° 13.5°
8.38 mm
09-06
22.8° 15.9°
1.37 mm
09-07
19.2° 15.0°
0.25 mm
09-08
24.4° 15.5°
0.38 mm
09-09
24.9° 11.3°
0.19 mm
09-10
23.7° 12.5°
10.63 mm
09-11
29.9° 9.3°
Both models agree
Avg diff: 5.0°C
Where are air quality stations near Danbury?
20
Danbury, Connecticut, USA
11
united-states-of-america-sherman-partridge-trail
13
Mt. Ninham, New York, USA
20
Bridgeport, Connecticut, USA
What cities are near Danbury?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:47 UTC.