Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 3.5 | 08 PM | 4.1 | 02 PM |
| Ashland | Bad River | µg/m³ | 2.7 | 01 AM | 2.9 | 10 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 4.3 | 06 PM | 6.7 | 03 PM |
| Sauk | Devil's Lake | µg/m³ | 3.2 | 12 AM | 4.1 | 12 AM |
| Eau Claire | Eau Claire | µg/m³ | 3.4 | 01 AM | 4 | 10 PM |
| Brown | Green Bay - East High | µg/m³ | 3.6 | 07 PM | 4.4 | 01 PM |
| Ozaukee | Harrington Beach | µg/m³ | 3.1 | 01 AM | 3.5 | 01 AM |
| Dodge | Horicon | µg/m³ | 3.5 | 07 PM | 5.3 | 01 PM |
| Marathon | Lake DuBay | µg/m³ | 3 | 01 AM | 3.6 | 09 PM |
| Dane | Madison - East | µg/m³ | 4.7 | 09 AM | 6.3 | 09 AM |
| Dane | Madison - Univ. Ave | µg/m³ | 4.1 | 02 AM | 4.6 | 09 AM |
| Milwaukee | Milwaukee-16th St. | µg/m³ | 4.7 | 10 AM | 5.3 | 08 AM |
| Milwaukee | Milwaukee - College Ave NR | µg/m³ | 5 | 10 AM | 7.7 | 09 AM |
| Forest | Potawatomi | µg/m³ | 3.2 | 02 PM | 3.5 | 11 AM |
| Grant | Potosi | µg/m³ | 5.8 | 05 AM | 6.3 | 11 PM |
| Waukesha | Waukesha | µg/m³ | 4.2 | 01 AM | 5 | 06 PM |