Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 11.1 | 12 AM | 16.8 | 05 AM |
| Ashland | Bad River | µg/m³ | 7.8 | 12 AM | 9.4 | 11 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 9.6 | 11 PM | 17.1 | 09 PM |
| Sauk | Devil's Lake | µg/m³ | 8.1 | 12 AM | 11.2 | 08 AM |
| Eau Claire | Eau Claire | µg/m³ | 9.4 | 12 AM | 12.4 | 04 PM |
| Brown | Green Bay - East High | µg/m³ | 9.7 | 01 AM | 12.6 | 07 AM |
| Ozaukee | Harrington Beach | µg/m³ | 9.9 | 12 AM | 12.8 | 12 AM |
| Dodge | Horicon | µg/m³ | 8.5 | 10 PM | 9.6 | 06 PM |
| Marathon | Lake DuBay | µg/m³ | ||||
| Dane | Madison - East | µg/m³ | 8.8 | 12 AM | 11.9 | 08 AM |
| Dane | Madison - Univ. Ave | µg/m³ | 9.2 | 12 AM | 13.3 | 10 PM |
| Milwaukee | Milwaukee-16th St. | µg/m³ | 15.3 | 10 PM | 24 | 08 AM |
| Milwaukee | Milwaukee - College Ave NR | µg/m³ | 12.2 | 07 PM | 19.1 | 09 AM |
| Forest | Potawatomi | µg/m³ | 8.1 | 09 PM | 9.4 | 01 AM |
| Grant | Potosi | µg/m³ | 9 | 12 AM | 11.4 | 05 AM |
| Waukesha | Waukesha | µg/m³ | 14.4 | 08 PM | 23.6 | 07 AM |