Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 22.6 | 01 AM | 26.2 | 12 AM |
| Ashland | Bad River Tribal School | µg/m³ | 16.7 | 01 AM | 20.4 | 11 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 16.1 | 12 AM | 21.3 | 11 AM |
| Sauk | Devils Lake | µg/m³ | 22.2 | 06 AM | 19 | 02 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 24.3 | 11 AM | 30.1 | 01 AM |
| Brown | Green Bay East High | µg/m³ | 20.6 | 12 AM | 25.7 | 09 PM |
| Ozaukee | Harrington Beach Park | µg/m³ | 16.5 | 06 AM | 21.4 | 11 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 19.6 | 06 AM | 23.1 | 12 AM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 19.8 | 07 AM | 19.1 | 11 PM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 24.6 | 07 AM | 23.4 | 12 AM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 19.4 | 12 AM | 23.2 | 12 PM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 17 | 06 AM | 20.4 | 12 PM |
| Forest | Potawatomi | µg/m³ | 23.5 | 01 AM | 21.6 | 11 PM |
| Grant | Potosi | µg/m³ | 19.7 | 07 PM | 21.3 | 05 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 18.9 | 12 AM | 23.6 | 12 AM |