Today | Weather | Tuesday, October 14, 2025

Weather in Waterbury, Connecticut

09:40 PM
Now
Cloudy Weather
57° F
Feels Like 55°
Precipitation 7 %
Wind 6 mph
Humidity 82 %
Today
Cloudy Night
Day 61°
Night 50°
Precipitation 25 %
Wind 6 mph

Waterbury Weather Forecast Updated

37 minutes ago
Last updated on

Air Quality in Waterbury

NOW
30 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.57 µg/m³
PM10 4.05 µg/m³
O3 0.032 ppm
NO2 7.8 ppb
SO2 1.2 ppb
CO 0.13 ppm
NH3 0.56 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.51.57 µg/m³
PM104.05 µg/m³
O362.82 µg/m³
NO214.71 µg/m³
SO23.08 µg/m³
CO147.49 µg/m³
NH30.56 µg/m³
NO0 µg/m³