Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 29.3 | 08 PM | 39.9 | 07 PM |
| Ashland | Bad River Tribal School | µg/m³ | 23.9 | 12 AM | 35.4 | 09 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 10.5 | 01 AM | 8.1 | 04 PM |
| Sauk | Devils Lake | µg/m³ | 39.3 | 12 AM | 55.7 | 10 PM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 56.3 | 12 AM | 156.3 | 06 PM |
| Brown | Green Bay East High | µg/m³ | 21.8 | 12 AM | 35.7 | 06 PM |
| Ozaukee | Harrington Beach Park | µg/m³ | 8.9 | 01 PM | 10.4 | 12 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 28.4 | 08 PM | 41 | 06 PM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 40.1 | 12 AM | 55.7 | 04 PM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 42.6 | 12 AM | 59.8 | 07 PM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 16.7 | 01 PM | 20.2 | 08 PM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 18.3 | 12 PM | 19.7 | 10 AM |
| Forest | Potawatomi | µg/m³ | 34.6 | 09 PM | 61.7 | 12 PM |
| Grant | Potosi | µg/m³ | 28.9 | 12 AM | 41.9 | 12 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 20.9 | 04 PM | 24.4 | 03 PM |