| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 4.1 | 12 AM | 9 | 12 AM |
| Ashland | Bad River Tribal School | µg/m³ | 2.2 | 06 PM | 4.4 | 06 PM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 4.6 | 01 AM | 8.4 | 11 PM |
| Sauk | Devils Lake | µg/m³ | 4.8 | 07 PM | 6.2 | 12 PM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 11.3 | 11 AM | 22.6 | 09 AM |
| Brown | Green Bay East High | µg/m³ | 6.2 | 12 AM | 16.4 | 11 PM |
| Ozaukee | Harrington Beach Park | µg/m³ | 3 | 01 AM | 5.3 | 09 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 3.7 | 12 AM | 12.6 | 11 PM |
| Marathon | Lake Dubay | µg/m³ | 3.2 | 11 PM | 4.9 | 11 PM |
| Dane | Madison East | µg/m³ | 6.2 | 12 AM | 10 | 11 PM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 5 | 12 AM | 10.1 | 10 PM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 5.6 | 12 AM | 13.6 | 10 PM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 6.4 | 12 AM | 12.1 | 12 AM |
| Forest | Potawatomi | µg/m³ | 1.3 | 01 AM | 3.2 | 12 AM |
| Grant | Potosi | µg/m³ | 12.7 | 12 PM | 24.6 | 02 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 5.9 | 12 AM | 11.8 | 12 AM |