| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 10.6 | 12 AM | 20.5 | 07 PM |
| Ashland | Bad River Tribal School | µg/m³ | 12.3 | 06 PM | 20.1 | 10 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 8.9 | 12 AM | 22.1 | 11 PM |
| Sauk | Devils Lake | µg/m³ | 7.9 | 09 AM | 12.4 | 12 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 13.2 | 12 AM | 17.1 | 05 PM |
| Brown | Green Bay East High | µg/m³ | 10.1 | 08 PM | 21.4 | 08 PM |
| Ozaukee | Harrington Beach Park | µg/m³ | 6.8 | 12 AM | 11.5 | 10 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 7.5 | 11 PM | 11 | 11 PM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 7.5 | 05 AM | 10.9 | 11 PM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 7.9 | 12 AM | 13.9 | 10 PM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 9.3 | 12 AM | 16.6 | 10 PM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 9.1 | 12 AM | 18.3 | 07 PM |
| Forest | Potawatomi | µg/m³ | 11.6 | 10 PM | 16.9 | 06 PM |
| Grant | Potosi | µg/m³ | 9.2 | 05 AM | 14.4 | 07 PM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 9.1 | 12 AM | 16.1 | 08 PM |