What is the air quality in Danbury today?

The current Air Quality Index (AQI) in Danbury is 18 (Good). PM2.5 concentration is 4.3 µg/m³.

What is the temperature in Danbury right now?

The current temperature in Danbury is 17.0°C (feels like 17.0°C). Humidity is 96.3% and wind speed is 75.2 km/h.

Is it safe to go outside in Danbury?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 12.9 (Extreme).

Air Quality in Danbury, United States

Rain

17.0°C · 96.3% humidity

17.0°

Feels 17.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

54 1pm

18 4pm

21 7pm

29 10pm

25 1am

24 4am

25 7am

25 10am

Air Quality Index Trend

48h · 5 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.

96.3%

Humidity

75.2 km/h

Wind NNE

1013.2 hPa

Pressure

12.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

4.3 µg/m³

PM10▲

41.15 µg/m³

050100150200300500

What is the weather forecast for Danbury?

Temperature & Precipitation

PM2.5 Trend

48h · 5 stations

PM2.54.3 µg/m³ ✓ WHO

Good

PM1041.15 µg/m³

Good

UV INDEX12.9

Extreme

Station readings (1 station within 25 km)

4.3

Median

4.3

Average

4.3

Low

4.3

High

PM2.5 µg/m³ · Model: 20.3 · Bias: +16.0

What is the 7-day forecast for Danbury?

07-21

25.1° 17.0°

6.38 mm

07-22

21.4° 14.3°

16.13 mm

07-23

27.2° 15.0°

7.19 mm

07-24

23.6° 14.2°

3.75 mm

07-25

31.6° 18.7°

5.94 mm

07-26

21.8° 16.0°

2.38 mm

07-27

27.2° 18.9°

1.87 mm

Both models agree Avg diff: 3.1°C

Where are air quality stations near Danbury?

Mt. Ninham, New York, USA

22.4 km PM2.5: 13.1 µg/m³

What cities are near Danbury?

36 Wilton 16 Southbury 50 Trumbull 52 New Canaan 50 Westport 53 North Stamford 50 Norwalk 50 Shelton 15 Seymour 33 Ansonia

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-07-21T20:01 UTC.