| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 9.1 | 12 AM | 18.1 | 10 PM |
| Ashland | Bad River Tribal School | µg/m³ | 4.5 | 12 AM | 6.3 | 09 PM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 6 | 12 AM | 12.4 | 09 AM |
| Sauk | Devils Lake | µg/m³ | 9.3 | 04 PM | 13.8 | 03 PM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 7.9 | 11 PM | 13 | 10 PM |
| Brown | Green Bay East High | µg/m³ | 7.7 | 12 AM | 13.5 | 08 PM |
| Ozaukee | Harrington Beach Park | µg/m³ | 6.2 | 12 AM | 9.9 | 12 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 8 | 12 AM | 15.3 | 09 PM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 10.2 | 12 AM | 30.8 | 10 PM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 10.7 | 12 AM | 28 | 12 AM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 9.9 | 12 AM | 19.2 | 12 AM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 8.2 | 12 AM | 12.6 | 10 PM |
| Forest | Potawatomi | µg/m³ | 7 | 12 AM | 10.6 | 10 PM |
| Grant | Potosi | µg/m³ | 10.9 | 11 AM | 12.5 | 12 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 10.1 | 12 AM | 27.2 | 11 PM |