Hourly Weather | Today Tuesday, January 13, 2026
Norwalk, Connecticut
7 PM
Cloudy Weather
39°
Feels Like 34°
0
Humidity: 69%
Wind: 9 mph
UV Index: 0
8 PM
Cloudy Weather
39°
Feels Like 34°
0
Humidity: 76%
Wind: 9 mph
UV Index: 0
9 PM
Cloudy Weather
39°
Feels Like 34°
0
Humidity: 73%
Wind: 10 mph
UV Index: 0
10 PM
Cloudy Weather
39°
Feels Like 34°
0
Humidity: 74%
Wind: 10 mph
UV Index: 0
11 PM
Cloudy Weather
41°
Feels Like 34°
0
Humidity: 73%
Wind: 9 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.78 µg/m³
  • PM10: 11.7 µg/m³
  • O3: 0.034 ppm
  • NO2: 5.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

8 PM
39 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.24 µg/m³
  • PM10: 12.36 µg/m³
  • O3: 0.034 ppm
  • NO2: 5 ppb
  • SO2: 1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

9 PM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.94 µg/m³
  • PM10: 12.04 µg/m³
  • O3: 0.035 ppm
  • NO2: 4.7 ppb
  • SO2: 1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

10 PM
35 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.41 µg/m³
  • PM10: 11.27 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.3 ppb
  • SO2: 1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8 µg/m³
  • PM10: 10.53 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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