Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 8.8 | 12 AM | 11.6 | 02 PM |
| Ashland | Bad River | µg/m³ | 17.4 | 08 AM | 17.2 | 09 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 6.4 | 12 AM | 8.3 | 12 AM |
| Sauk | Devil's Lake | µg/m³ | 10.9 | 12 AM | 16.6 | 08 AM |
| Eau Claire | Eau Claire | µg/m³ | 19.3 | 09 AM | 19.4 | 03 AM |
| Brown | Green Bay - East High | µg/m³ | 9.9 | 11 PM | 13.7 | 01 PM |
| Ozaukee | Harrington Beach | µg/m³ | 7.2 | 12 AM | 10.4 | 07 PM |
| Dodge | Horicon | µg/m³ | 8.9 | 12 AM | 11.8 | 09 PM |
| Marathon | Lake DuBay | µg/m³ | ||||
| Dane | Madison - East | µg/m³ | 9.9 | 12 AM | 12.5 | 07 AM |
| Dane | Madison - Univ. Ave | µg/m³ | 12.4 | 12 AM | 16.4 | 08 AM |
| Milwaukee | Milwaukee-16th St. | µg/m³ | 9.8 | 12 AM | 15.5 | 12 AM |
| Milwaukee | Milwaukee - College Ave NR | µg/m³ | 8.2 | 12 AM | 13.8 | 11 PM |
| Forest | Potawatomi | µg/m³ | 11.2 | 11 AM | 11.4 | 01 AM |
| Grant | Potosi | µg/m³ | 13.7 | 12 AM | 17.6 | 10 AM |
| Waukesha | Waukesha | µg/m³ | 9.5 | 12 AM | 14.8 | 12 AM |