Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 13.8 | 12 AM | 22.7 | 05 AM |
| Ashland | Bad River Tribal School | µg/m³ | 8.6 | 07 PM | 15.2 | 04 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 19 | 12 AM | 26.2 | 08 PM |
| Sauk | Devils Lake | µg/m³ | 16.5 | 01 AM | 13.6 | 01 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 12 | 09 PM | 17.7 | 04 AM |
| Brown | Green Bay East High | µg/m³ | 14.1 | 12 AM | 21.3 | 03 AM |
| Ozaukee | Harrington Beach Park | µg/m³ | 16.5 | 11 PM | 22.7 | 10 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 15.3 | 12 PM | 17.8 | 11 AM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 18.4 | 01 AM | 16.6 | 08 PM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 21.8 | 01 AM | 16.3 | 08 PM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 19.8 | 12 AM | 30.1 | 12 AM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 18.7 | 12 AM | 28.3 | 12 AM |
| Forest | Potawatomi | µg/m³ | 7.9 | 11 PM | 13 | 04 AM |
| Grant | Potosi | µg/m³ | 19.2 | 06 AM | 16.7 | 08 PM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 17.9 | 09 AM | 20.1 | 06 PM |