Hourly Weather | Today Tuesday, June 9, 2026
Madison, Wisconsin
9 PM
Cloudy Night
77°
Feels Like 81°
7
Humidity: 77%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
75°
Feels Like 79°
6
Humidity: 83%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
72°
Feels Like 75°
5
Humidity: 90%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.55 µg/m³
  • PM10: 4.74 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.61 µg/m³
  • PM10: 4.85 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.58 µg/m³
  • PM10: 4.83 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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