Air Quality in Danbury, United States
Cloudy
12.2°C · 71.5% humidity
12.2°
Feels 12.2°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Danbury's air quality — share it
AQI Forecast
25
5pm
25
25
21
8pm
27
34
34
11pm
34
34
34
2am
34
34
34
5am
34
27
27
8am
34
34
34
11am
54
54
54
2pm
54
54
Air Quality Index Trend
48h · 1 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.
71.5%
Humidity
33.3 km/h
Wind WNW
1000.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.05 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Danbury?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.55.05 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
5.05
Median
5.05
Average
4.8
Low
5.3
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +0.9
What is the 7-day forecast for Danbury?
06-09
33.4° 10.8°
06-10
19.0° 14.6°
3.87 mm
06-11
24.3° 8.8°
06-12
19.6° 15.6°
5.25 mm
06-13
28.7° 15.5°
0.69 mm
06-14
22.8° 14.1°
8.5 mm
06-15
24.8° 11.9°
0.25 mm
Both models agree
Avg diff: 5.8°C
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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 2026-06-09T00:41 UTC.