Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 8.4 | 09 AM | 12.8 | 07 AM |
| Ashland | Bad River Tribal School | µg/m³ | 4.4 | 11 PM | 8 | 11 PM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 9.8 | 01 AM | 37 | 04 PM |
| Sauk | Devils Lake | µg/m³ | 9 | 01 AM | 8.2 | 01 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 11 | 09 PM | 16.4 | 04 AM |
| Brown | Green Bay East High | µg/m³ | 8.1 | 01 AM | 10.2 | 02 AM |
| Ozaukee | Harrington Beach Park | µg/m³ | 7.9 | 01 AM | 11.2 | 04 AM |
| Dodge | Horicon Wildlife Area | µg/m³ | 9 | 07 AM | 14.1 | 07 AM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 10.5 | 02 AM | 15.1 | 08 AM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 11.3 | 01 AM | 13.9 | 08 AM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 10.8 | 01 AM | 13 | 06 AM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 10.8 | 01 AM | 19.3 | 02 AM |
| Forest | Potawatomi | µg/m³ | 4.7 | 01 AM | 5 | 06 AM |
| Grant | Potosi | µg/m³ | 11.7 | 03 AM | 13 | 09 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 12.3 | 07 AM | 19.4 | 03 AM |