Hourly Weather | Today Thursday, February 5, 2026
Danbury, Connecticut
10 PM
Cloudy Night
12°
Feels Like 16°
0
Humidity: 76%
UV Index: 0
Wind: 1 mph
11 PM
Cloudy Night
10°
Feels Like 10°
0
Frost Risk: 100%
Humidity: 77%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

10 PM
113 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 40.59 µg/m³
  • PM10: 50.38 µg/m³
  • O3: 0.007 ppm
  • NO2: 41.9 ppb
  • SO2: 2.2 ppb
  • CO: 0.61 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

11 PM
124 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 44.94 µg/m³
  • PM10: 55.62 µg/m³
  • O3: 0.008 ppm
  • NO2: 42.5 ppb
  • SO2: 2 ppb
  • CO: 0.67 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.