Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 47.3 | 09 AM | 60.9 | 05 AM |
| Ashland | Bad River | µg/m³ | 22.1 | 01 AM | 7.4 | 01 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | ||||
| Sauk | Devil's Lake | µg/m³ | 38.6 | 08 AM | 57.4 | 10 PM |
| Eau Claire | Eau Claire | µg/m³ | 46.5 | 03 AM | 65.9 | 03 PM |
| Brown | Green Bay - East High | µg/m³ | 42.7 | 10 AM | 56.6 | 04 AM |
| Ozaukee | Harrington Beach | µg/m³ | 42.3 | 10 AM | 49.1 | 06 AM |
| Dodge | Horicon | µg/m³ | 39 | 09 AM | 45.4 | 04 AM |
| Marathon | Lake DuBay | µg/m³ | ||||
| Dane | Madison - East | µg/m³ | 42.5 | 09 AM | 56.4 | 03 AM |
| Dane | Madison - Univ. Ave | µg/m³ | 47.7 | 09 AM | 62.9 | 01 AM |
| Milwaukee | Milwaukee-16th St. | µg/m³ | 46.2 | 09 AM | 57.7 | 12 AM |
| Milwaukee | Milwaukee - College Ave NR | µg/m³ | 42.3 | 10 AM | 52.8 | 03 AM |
| Forest | Potawatomi | µg/m³ | 40.7 | 07 AM | 26.6 | 05 AM |
| Grant | Potosi | µg/m³ | 63.8 | 09 AM | 82.5 | 01 AM |
| Waukesha | Waukesha | µg/m³ | 45.4 | 09 AM | 56.7 | 11 PM |