Advisories:
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| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 12.8 | 02 PM | 16.9 | 06 AM |
| Ashland | Bad River Tribal School | µg/m³ | 8.4 | 01 PM | 10.2 | 07 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 11 | 02 PM | 15.2 | 05 AM |
| Sauk | Devils Lake | µg/m³ | 7.2 | 02 PM | 12.2 | 08 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 11.5 | 11 AM | 13.1 | 01 AM |
| Brown | Green Bay East High | µg/m³ | 10.9 | 02 PM | 14.2 | 06 AM |
| Ozaukee | Harrington Beach Park | µg/m³ | 9.5 | 02 PM | 12.7 | 04 AM |
| Jackson | Ho-Chunk Nation-Black River Falls | µg/m³ | 10.3 | 09 AM | 11.6 | 08 AM |
| Monroe | Ho-Chunk Nation-Tomah | µg/m³ | 16.8 | 02 PM | 38.7 | 02 AM |
| Dodge | Horicon Wildlife Area | µg/m³ | 13 | 02 PM | 17 | 04 AM |
| Marathon | Lake Dubay | µg/m³ | 10.6 | 02 PM | 14.4 | 04 AM |
| Dane | Madison East | µg/m³ | 10.3 | 02 PM | 13.1 | 08 AM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 10.4 | 02 PM | 13 | 08 AM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 13.8 | 02 PM | 21.8 | 07 AM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 14.2 | 02 PM | 21.6 | 06 AM |
| Forest | Potawatomi | µg/m³ | 9.1 | 02 PM | 10.6 | 03 AM |
| Grant | Potosi | µg/m³ | 10.1 | 02 PM | 17.2 | 08 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 17.4 | 02 PM | 28.4 | 04 AM |