Hourly Weather | Today Monday, April 27, 2026
Danbury, Connecticut
8 PM
Night
61°
Feels Like 57°
0
Humidity: 47%
UV Index: 0
Wind: 6 mph
9 PM
Night
55°
Feels Like 54°
0
Humidity: 56%
UV Index: 0
Wind: 5 mph
10 PM
Night
52°
Feels Like 52°
0
Humidity: 62%
UV Index: 0
Wind: 5 mph
11 PM
Night
48°
Feels Like 50°
0
Humidity: 70%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
96 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 15.02 µg/m³
  • PM10: 17.35 µg/m³
  • O3: 0.069 ppm
  • NO2: 4.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
73 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 12.32 µg/m³
  • PM10: 14.37 µg/m³
  • O3: 0.061 ppm
  • NO2: 3.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 11.15 µg/m³
  • PM10: 13.25 µg/m³
  • O3: 0.055 ppm
  • NO2: 4 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.35 µg/m³
  • PM10: 12.52 µg/m³
  • O3: 0.050 ppm
  • NO2: 4.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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