Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 13.7 | 01 AM | 13.6 | 07 AM |
| Ashland | Bad River Tribal School | µg/m³ | 8.2 | 05 AM | 9 | 12 PM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 12.1 | 04 AM | 16.1 | 12 PM |
| Sauk | Devils Lake | µg/m³ | 12.8 | 01 AM | 13.9 | 12 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 10.3 | 10 PM | 13.2 | 08 AM |
| Brown | Green Bay East High | µg/m³ | 12.1 | 01 AM | 13.2 | 12 AM |
| Ozaukee | Harrington Beach Park | µg/m³ | 12.3 | 06 AM | 16.7 | 03 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 14 | 01 AM | 13.9 | 12 AM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 12.8 | 01 AM | 20.9 | 12 AM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 12.9 | 01 AM | 24.6 | 12 AM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 15.7 | 01 AM | 21 | 08 PM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 13.6 | 01 AM | 14.1 | 08 PM |
| Forest | Potawatomi | µg/m³ | 11.4 | 01 AM | 11.9 | 10 AM |
| Grant | Potosi | µg/m³ | 15.8 | 12 AM | 22 | 12 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 15.3 | 01 AM | 15.3 | 03 PM |