Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 10.7 | 06 AM | 12.2 | 01 AM |
| Ashland | Bad River | µg/m³ | 11.4 | 06 AM | 12.5 | 06 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 10.1 | 06 PM | 12.6 | 02 PM |
| Sauk | Devil's Lake | µg/m³ | 9.4 | 01 AM | 9.6 | 08 AM |
| Eau Claire | Eau Claire | µg/m³ | 11.2 | 04 AM | 12.5 | 01 AM |
| Brown | Green Bay - East High | µg/m³ | 12 | 06 AM | 13.1 | 09 AM |
| Ozaukee | Harrington Beach | µg/m³ | 10.1 | 08 PM | 12.3 | 05 AM |
| Dodge | Horicon | µg/m³ | 10.4 | 07 PM | 11.3 | 05 AM |
| Marathon | Lake DuBay | µg/m³ | ||||
| Dane | Madison - East | µg/m³ | 10 | 07 PM | 11.1 | 06 AM |
| Dane | Madison - Univ. Ave | µg/m³ | 12.8 | 07 PM | 16.8 | 01 PM |
| Milwaukee | Milwaukee-16th St. | µg/m³ | 14.5 | 07 PM | 15.6 | 06 AM |
| Milwaukee | Milwaukee - College Ave NR | µg/m³ | 11.6 | 04 PM | 12.2 | 04 AM |
| Forest | Potawatomi | µg/m³ | 10.7 | 03 AM | 11.2 | 03 AM |
| Grant | Potosi | µg/m³ | 10.5 | 07 PM | 13.8 | 04 PM |
| Waukesha | Waukesha | µg/m³ | 12.4 | 05 AM | 15.6 | 02 AM |