What is the air quality in Danbury today?

The current Air Quality Index (AQI) in Danbury is 27 (Good). PM2.5 concentration is 6.48 µg/m³.

What is the temperature in Danbury right now?

The current temperature in Danbury is 13.9°C (feels like 13.9°C). Humidity is 45.9% and wind speed is 36.5 km/h.

Is it safe to go outside in Danbury?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Danbury, United States

Clear

13.9°C · 45.9% humidity

13.9°

Feels 13.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

47h · 1 stn

View full history →

Danbury's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

45.9%

Humidity

36.5 km/h

Wind W

1021.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.48 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Danbury?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.56.48 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

6.48

Median

3.7

Average

0.9

Low

6.5

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -0.5

What is the 7-day forecast for Danbury?

10-20

13.9° 4.6°

9.75 mm

10-21

20.5° 4.3°

10-22

17.8° 6.3°

7.69 mm

10-23

14.0° 4.6°

10-24

11.0° 6.8°

10-25

19.3° 7.8°

50.0 mm

10-26

10.4° 4.8°

Both models agree Avg diff: 3.6°C

Where are air quality stations near Danbury?

Danbury, Connecticut, USA

1.1 km PM2.5: 2.4 µg/m³

united-states-of-america-sherman-partridge-trail

20.3 km 66.2°C 48.0% RH PM2.5: 1.2 µg/m³ PM10: 1.3 µg/m³

Bridgeport, Connecticut, USA

32.9 km PM2.5: 3.1 µg/m³

Bridgeport, Connecticut, USA

32.9 km PM2.5: 3.4 µg/m³

What cities are near Danbury?

21 Wilton 26 Southbury 19 Trumbull 8 New Canaan 19 Westport 8 North Stamford 19 Norwalk 19 Shelton 30 Seymour 25 Ansonia

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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 2026-10-20T20:05 UTC.