Today | Weather | Tuesday, June 9, 2026

Weather in Danbury, Connecticut

07:50 PM
Now
Cloudy Weather
73° F
Feels Like 72°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 0
Humidity 49 %
Today
Cloudy Night
Day 81°
Night 61°
Precipitation 10 %
Wind 5 mph

Danbury Weather Forecast Updated

38 minutes ago
Last updated on

Air Quality in Danbury

NOW
46 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.08 µg/m³
PM10 7.44 µg/m³
O3 0.050 ppm
NO2 2.7 ppb
SO2 0.6 ppb
CO 0.11 ppm
NH3 0.43 µg/m³
NO 0.13 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)
PM2.54.08 µg/m³
PM107.44 µg/m³
O398.59 µg/m³
NO25.03 µg/m³
SO21.61 µg/m³
CO126.24 µg/m³
NH30.43 µg/m³
NO0.13 µg/m³