What is the air quality in Waterbury today?

The current Air Quality Index (AQI) in Waterbury is 19 (Good). PM2.5 concentration is 4.61 µg/m³.

What is the temperature in Waterbury right now?

The current temperature in Waterbury is 11.3°C (feels like 11.3°C). Humidity is 59.4% and wind speed is 34.1 km/h.

Is it safe to go outside in Waterbury?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 10.9 (Extreme).

Air Quality in Waterbury, United States

Partly Cloudy

11.3°C · 59.4% humidity

11.3°

Feels 11.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

24 7am

19 10am

22 1pm

23 4pm

24 7pm

24 10pm

25 1am

25 4am

Air Quality Index Trend

42h · 3 stn

View full history →

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

59.4%

Humidity

34.1 km/h

Wind NNE

1022.3 hPa

Pressure

10.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.61 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Waterbury?

Temperature & Precipitation

PM2.5 Trend

42h · 3 stations

PM2.54.61 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX10.9

Extreme

What is the 7-day forecast for Waterbury?

05-29

16.8° 10.3°

0.44 mm

05-30

23.1° 8.7°

4.37 mm

05-31

26.2° 9.6°

06-01

25.4° 9.3°

06-02

17.1° 10.2°

0.13 mm

06-03

25.9° 13.4°

0.31 mm

06-04

22.8° 17.2°

1.75 mm

Both models agree Avg diff: 3.9°C

Where are air quality stations near Waterbury?

Waterbury, Connecticut, USA

1.1 km PM2.5: 5.0 µg/m³

What cities are near Waterbury?

18 Wolcott 20 Naugatuck 18 Cheshire 16 Southington 13 Southbury 20 Seymour 17 Meriden 15 Plainville 18 Wallingford 18 Hamden

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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 2026-05-29T14:49 UTC.