Extreme Heat Watch EXTREME HEAT WATCH - Dane County  - Sauk County  - Columbia County  - Dodge County  - Iowa County
Toggle Menu

Sun Prairie, WI Air Quality Index






Realtime Air Quality Data
Realtime Location: Dane, Columbia, and Sauk Counties, WI
Issue Date: 07/22/25 6:00 AM CDT


Current Air Quality Index

Moderate 66



Realtime AQI - Pollutant Details
Type: Particle Pollution (2.5 microns)
Index: Moderate
AQI Value: 66
Moderate

Type: Ozone Good - 22 AQI - Particle Pollution (10 microns)
Index: Good
AQI Value: 27

Good

Last Update:
Tue, 22 Jul 2025 06:00:00 CST


0-50 Good
51-100 Moderate
101-150 Unhealthy for Sensitive Groups
151-200 Unhealthy
201-300 Very Unhealthy
301-500 Hazardous


Air Quality Forecast
Forecast Location: Dane, Columbia, and Sauk Counties, WI
Forecast Agency: Wisconsin Dept. of Natural Resources
Two Day Forecast
Day One Forecast Day Two Forecast
Date: 07/22/2025
Type: Ozone
Index: Good
AQI Value: 0-50

Good
Date: 07/23/2025
Type: Ozone
Index: Good
AQI Value: 0-50

Good
Last Update:Tue, 22 Jul 2025 06:00:02 CST
Script courtesy of  Michael Holden of Relay Weather. Data courtesy of Airnow.gov



Interactive Air Quality Index Map

AQI: Good AQI: Moderate AQI: Unhealthy for Sensitive Groups AQI: Unhealthy AQI: Very Unhealthy AQI: Hazardous


Script courtesy of  Michael Holden of Relay Weather. Data courtesy of Airnow.gov