Hourly Weather | Today Tuesday, April 7, 2026
Waterbury, Connecticut
4 PM
Cloudy Weather
46°
Feels Like 37°
0
Humidity: 34%
UV Index: 3
Wind: 20 mph
5 PM
Cloudy Weather
45°
Feels Like 34°
0
Humidity: 34%
UV Index: 2
Wind: 18 mph
6 PM
Cloudy Weather
43°
Feels Like 30°
0
Humidity: 37%
UV Index: 1
Wind: 18 mph
7 PM
Cloudy Weather
39°
Feels Like 27°
0
Humidity: 43%
UV Index: 0
Wind: 17 mph
8 PM
Cloudy Night
37°
Feels Like 21°
0
Humidity: 45%
UV Index: 0
Wind: 20 mph
9 PM
Night
34°
Feels Like 21°
0
Humidity: 50%
UV Index: 0
Wind: 15 mph
10 PM
Night
32°
Feels Like 19°
0
Humidity: 53%
UV Index: 0
Wind: 14 mph
11 PM
Night
30°
Feels Like 18°
0
Humidity: 56%
UV Index: 0
Wind: 14 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
66 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.82 µg/m³
  • PM10: 2.58 µg/m³
  • O3: 0.059 ppm
  • NO2: 2.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

5 PM
57 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.34 µg/m³
  • PM10: 2.1 µg/m³
  • O3: 0.056 ppm
  • NO2: 2.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

6 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.02 µg/m³
  • PM10: 1.83 µg/m³
  • O3: 0.052 ppm
  • NO2: 3.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

7 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.96 µg/m³
  • PM10: 1.92 µg/m³
  • O3: 0.049 ppm
  • NO2: 4.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.94 µg/m³
  • PM10: 2.02 µg/m³
  • O3: 0.047 ppm
  • NO2: 4.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.84 µg/m³
  • PM10: 1.94 µg/m³
  • O3: 0.045 ppm
  • NO2: 4.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.81 µg/m³
  • PM10: 1.97 µg/m³
  • O3: 0.044 ppm
  • NO2: 4.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.76 µg/m³
  • PM10: 1.94 µg/m³
  • O3: 0.043 ppm
  • NO2: 4.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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