| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 8.4 | 01 AM | 11.9 | 12 AM |
| Ashland | Bad River Tribal School | µg/m³ | 5.5 | 01 AM | 3.5 | 11 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 8.5 | 11 PM | 22.6 | 10 PM |
| Sauk | Devils Lake | µg/m³ | 7.9 | 01 AM | 11 | 09 PM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | ||||
| Brown | Green Bay East High | µg/m³ | 8.4 | 01 AM | 7.7 | 01 AM |
| Ozaukee | Harrington Beach Park | µg/m³ | 7.7 | 01 AM | 13.3 | 10 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 8.1 | 01 AM | 12.8 | 10 AM |
| Marathon | Lake Dubay | µg/m³ | 6.5 | 01 AM | 9.9 | 12 AM |
| Dane | Madison East | µg/m³ | 8.4 | 01 AM | 11.5 | 06 PM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 8.6 | 10 PM | 15.6 | 08 PM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 11.3 | 12 AM | 20 | 09 PM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 9.6 | 12 AM | 18.8 | 07 PM |
| Forest | Potawatomi | µg/m³ | ||||
| Grant | Potosi | µg/m³ | 13.9 | 01 AM | 17.3 | 08 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 11.4 | 12 AM | 22 | 12 AM |