Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 12 | 09 PM | 15 | 07 AM |
| Ashland | Bad River | µg/m³ | 5.6 | 01 AM | 7.8 | 04 PM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 7.2 | 12 PM | 9.6 | 02 AM |
| Sauk | Devil's Lake | µg/m³ | 10.7 | 10 AM | 12.4 | 01 AM |
| Eau Claire | Eau Claire | µg/m³ | 17.8 | 12 PM | 20.4 | 06 AM |
| Brown | Green Bay - East High | µg/m³ | 10.1 | 09 PM | 13.3 | 02 PM |
| Ozaukee | Harrington Beach | µg/m³ | 8.5 | 04 PM | 12 | 06 AM |
| Dodge | Horicon | µg/m³ | 8.6 | 10 PM | 10.3 | 10 PM |
| Marathon | Lake DuBay | µg/m³ | ||||
| Dane | Madison - East | µg/m³ | 10.8 | 12 PM | 13.4 | 08 AM |
| Dane | Madison - Univ. Ave | µg/m³ | 10.7 | 12 PM | 14.4 | 07 AM |
| Milwaukee | Milwaukee-16th St. | µg/m³ | 12.1 | 05 PM | 15.6 | 02 AM |
| Milwaukee | Milwaukee - College Ave NR | µg/m³ | 10.3 | 09 PM | 13.7 | 07 AM |
| Forest | Potawatomi | µg/m³ | 12 | 11 PM | 15.7 | 07 PM |
| Grant | Potosi | µg/m³ | 14.1 | 12 AM | 22 | 11 AM |
| Waukesha | Waukesha | µg/m³ | 11.1 | 08 PM | 15.2 | 06 AM |