Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 16.4 | 10 PM | 24.5 | 10 AM |
| Ashland | Bad River Tribal School | µg/m³ | 9.3 | 02 PM | 11.9 | 08 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 12.1 | 10 PM | 15.6 | 03 PM |
| Sauk | Devils Lake | µg/m³ | 17.6 | 01 PM | 30.7 | 10 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 18.4 | 05 PM | 26.9 | 02 PM |
| Brown | Green Bay East High | µg/m³ | 18.2 | 12 AM | 24.6 | 02 PM |
| Ozaukee | Harrington Beach Park | µg/m³ | 12.9 | 09 PM | 18.1 | 07 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 12.6 | 12 PM | 19.5 | 07 AM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 13.9 | 10 AM | 22.9 | 07 AM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 16.1 | 11 AM | 28 | 07 AM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 16 | 12 AM | 23.3 | 07 PM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 15 | 12 AM | 24 | 05 AM |
| Forest | Potawatomi | µg/m³ | 16.8 | 09 PM | 20.2 | 06 PM |
| Grant | Potosi | µg/m³ | 17.3 | 12 PM | 30 | 10 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 13.9 | 05 AM | 18.3 | 05 AM |