Hourly Weather | Today Tuesday, January 6, 2026
Madison, Wisconsin
3 PM
Cloudy Weather
37°
Feels Like 37°
49
Humidity: 92%
Wind: 5 mph
UV Index: 0
4 PM
Rainy Weather
37°
Feels Like 34°
66
Humidity: 92%
Wind: 5 mph
UV Index: 0
5 PM
Cloudy Weather
37°
Feels Like 34°
49
Humidity: 91%
Wind: 6 mph
UV Index: 0
6 PM
Cloudy Weather
37°
Feels Like 34°
35
Humidity: 92%
Wind: 6 mph
UV Index: 0
7 PM
Foggy Weather
37°
Feels Like 32°
7
Humidity: 94%
Wind: 6 mph
UV Index: 0
8 PM
Foggy Weather
37°
Feels Like 32°
7
Humidity: 92%
Wind: 7 mph
UV Index: 0
9 PM
Foggy Weather
37°
Feels Like 32°
7
Humidity: 91%
Wind: 7 mph
UV Index: 0
10 PM
Foggy Weather
37°
Feels Like 32°
7
Humidity: 90%
Wind: 7 mph
UV Index: 0
11 PM
Foggy Weather
36°
Feels Like 30°
7
Humidity: 90%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
61 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.98 µg/m³
  • PM10: 18.18 µg/m³
  • O3: 0.013 ppm
  • NO2: 5.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

4 PM
63 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.08 µg/m³
  • PM10: 19.5 µg/m³
  • O3: 0.014 ppm
  • NO2: 5.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

5 PM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.03 µg/m³
  • PM10: 20.35 µg/m³
  • O3: 0.014 ppm
  • NO2: 5.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

6 PM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.82 µg/m³
  • PM10: 19.81 µg/m³
  • O3: 0.013 ppm
  • NO2: 5.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

7 PM
61 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.02 µg/m³
  • PM10: 17.67 µg/m³
  • O3: 0.012 ppm
  • NO2: 5.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

8 PM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.84 µg/m³
  • PM10: 15.27 µg/m³
  • O3: 0.012 ppm
  • NO2: 5.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

9 PM
52 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.75 µg/m³
  • PM10: 13.1 µg/m³
  • O3: 0.014 ppm
  • NO2: 5.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.11 µg/m³
  • PM10: 11.43 µg/m³
  • O3: 0.015 ppm
  • NO2: 5.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

11 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.18 µg/m³
  • PM10: 10.52 µg/m³
  • O3: 0.017 ppm
  • NO2: 5 ppb
  • SO2: 0.1 ppb
  • CO: 0.25 ppm

Health Recommendations:

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