Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 6 | 01 AM | 4.1 | 11 AM |
| Ashland | Bad River | µg/m³ | 5 | 01 AM | 3.8 | 10 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 5.1 | 01 AM | 4 | 09 AM |
| Sauk | Devil's Lake | µg/m³ | 5.3 | 01 AM | 4.2 | 04 AM |
| Eau Claire | Eau Claire | µg/m³ | 4.4 | 01 AM | 5 | 09 AM |
| Brown | Green Bay - East High | µg/m³ | 5.7 | 01 AM | 3.8 | 12 AM |
| Ozaukee | Harrington Beach | µg/m³ | 4.8 | 01 AM | 3.6 | 04 AM |
| Dodge | Horicon | µg/m³ | 5.2 | 01 AM | 4 | 12 AM |
| Marathon | Lake DuBay | µg/m³ | 5.2 | 01 AM | 3.8 | 09 AM |
| Dane | Madison - East | µg/m³ | 6.8 | 01 AM | 5.9 | 10 PM |
| Dane | Madison - Univ. Ave | µg/m³ | 5.6 | 01 AM | 6.6 | 12 PM |
| Milwaukee | Milwaukee-16th St. | µg/m³ | 6.8 | 01 AM | 5.8 | 01 PM |
| Milwaukee | Milwaukee - College Ave NR | µg/m³ | 7.8 | 01 AM | 6.7 | 11 AM |
| Forest | Potawatomi | µg/m³ | 6.9 | 01 AM | 3.7 | 04 PM |
| Grant | Potosi | µg/m³ | 7.5 | 01 AM | 16.8 | 08 AM |
| Waukesha | Waukesha | µg/m³ | 6.2 | 01 AM | 4.8 | 11 AM |