Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 9.1 | 01 AM | 9.7 | 10 PM |
| Ashland | Bad River Tribal School | µg/m³ | 5.5 | 07 AM | 7.2 | 01 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 9.2 | 12 AM | 23.6 | 10 PM |
| Sauk | Devils Lake | µg/m³ | 10.5 | 01 AM | 8.4 | 01 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 7.1 | 01 AM | 5.4 | 10 PM |
| Brown | Green Bay East High | µg/m³ | 8.2 | 01 AM | 16 | 12 AM |
| Ozaukee | Harrington Beach Park | µg/m³ | 8 | 02 AM | 10.1 | 11 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 9.1 | 06 AM | 9 | 12 AM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 9.1 | 07 AM | 9.6 | 11 PM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 9.8 | 06 AM | 13.8 | 10 PM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 9.1 | 10 PM | 15.8 | 08 PM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 7.8 | 10 PM | 11.2 | 04 AM |
| Forest | Potawatomi | µg/m³ | 9.8 | 01 AM | 4.8 | 05 AM |
| Grant | Potosi | µg/m³ | 20 | 08 AM | 271.7 | 07 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 8.8 | 08 AM | 11.3 | 02 AM |