Hourly Weather | Today › Friday, October 9, 2026
Waterbury, Connecticut
8 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 63%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
52°
Feels Like 52°
0
Humidity: 70%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 77%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 77%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.92 µg/m³
  • PM10: 7.22 µg/m³
  • O3: 0.036 ppm
  • NO2: 13.3 ppb
  • SO2: 1.7 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

9 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.85 µg/m³
  • PM10: 8.15 µg/m³
  • O3: 0.029 ppm
  • NO2: 16.2 ppb
  • SO2: 1.8 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

10 PM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.95 µg/m³
  • PM10: 9.22 µg/m³
  • O3: 0.024 ppm
  • NO2: 18.9 ppb
  • SO2: 1.8 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.07 µg/m³
  • PM10: 9.84 µg/m³
  • O3: 0.020 ppm
  • NO2: 20.6 ppb
  • SO2: 1.9 ppb
  • CO: 0.24 ppm

Health Recommendations:

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