Hourly Weather | Today Sunday, December 14, 2025
Madison, Wisconsin
3 PM
Cloudy Weather
Feels Like
0
Humidity: 64%
Wind: 7 mph
UV Index: 1
4 PM
Cloudy Weather
Feels Like
0
Humidity: 70%
Wind: 6 mph
UV Index: 0
5 PM
Cloudy Night
Feels Like
0
Humidity: 78%
Wind: 6 mph
UV Index: 0
6 PM
Cloudy Night
Feels Like -4°
0
Humidity: 85%
Wind: 6 mph
UV Index: 0
7 PM
Cloudy Night
-2°
Feels Like -8°
0
Humidity: 100%
Wind: 6 mph
UV Index: 0
8 PM
Cloudy Night
Feels Like -8°
0
Humidity: 95%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
Feels Like -9°
0
Humidity: 90%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
Feels Like -11°
0
Humidity: 86%
Wind: 8 mph
UV Index: 0
11 PM
Cloudy Night
Feels Like -11°
0
Humidity: 83%
Wind: 9 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.96 µg/m³
  • PM10: 3.25 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.28 µg/m³
  • PM10: 3.61 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

5 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.61 µg/m³
  • PM10: 3.99 µg/m³
  • O3: 0.037 ppm
  • NO2: 3.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.97 µg/m³
  • PM10: 4.4 µg/m³
  • O3: 0.036 ppm
  • NO2: 4 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.28 µg/m³
  • PM10: 4.74 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.63 µg/m³
  • PM10: 5.09 µg/m³
  • O3: 0.035 ppm
  • NO2: 4.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5 µg/m³
  • PM10: 5.45 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.31 µg/m³
  • PM10: 5.77 µg/m³
  • O3: 0.034 ppm
  • NO2: 5 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.47 µg/m³
  • PM10: 5.92 µg/m³
  • O3: 0.033 ppm
  • NO2: 5 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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