What is the air quality in Waterbury today?

The current Air Quality Index (AQI) in Waterbury is 15 (Good). PM2.5 concentration is 3.6 µg/m³.

What is the temperature in Waterbury right now?

The current temperature in Waterbury is 31.8°C (feels like 35.2°C). Humidity is 47.9% and wind speed is 53.0 km/h.

Is it safe to go outside in Waterbury?

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

Air Quality in Waterbury, United States

Windy

31.8°C · 47.9% humidity

31.8°

Feels 35.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

24 10am

15 1pm

21 4pm

23 7pm

24 10pm

24 1am

24 4am

24 7am

Air Quality Index Trend

45h · 7 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.

47.9%

Humidity

53.0 km/h

Wind WSW

1014.6 hPa

Pressure

12.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.6 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Waterbury?

Temperature & Precipitation

PM2.5 Trend

45h · 7 stations

PM2.53.6 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX12.9

Extreme

Station readings (2 stations within 25 km)

3.6

Median

3.6

Average

3.4

Low

3.8

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +2.3

What is the 7-day forecast for Waterbury?

09-05

31.8° 12.5°

32.56 mm

09-06

20.9° 15.8°

0.94 mm

09-07

19.5° 14.6°

0.25 mm

09-08

19.7° 16.5°

1.56 mm

09-09

24.9° 10.9°

0.38 mm

09-10

24.1° 12.2°

14.06 mm

09-11

29.7° 10.5°

Both models agree Avg diff: 5.3°C

Where are air quality stations near Waterbury?

Waterbury, Connecticut, USA

1.1 km PM2.5: 3.8 µg/m³

united-states-of-america-hamden-santa-fe-avenue

25.2 km 23.3°C 64.0% RH PM2.5: 2.0 µg/m³ PM10: 2.0 µg/m³

What cities are near Waterbury?

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

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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 2026-09-05T17:11 UTC.