| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 6.1 | 12 AM | 8.3 | 02 PM |
| Ashland | Bad River Tribal School | µg/m³ | 4.3 | 01 PM | 4.6 | 01 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 10 | 12 AM | 17.3 | 04 PM |
| Sauk | Devils Lake | µg/m³ | 9.1 | 12 AM | 17.5 | 09 PM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 7.4 | 08 PM | 9.3 | 02 AM |
| Brown | Green Bay East High | µg/m³ | 4.7 | 10 PM | 7.4 | 09 PM |
| Ozaukee | Harrington Beach Park | µg/m³ | 6.2 | 12 AM | 13 | 11 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 9.6 | 12 AM | 16.8 | 09 PM |
| Marathon | Lake Dubay | µg/m³ | 5.6 | 09 PM | 8.5 | 08 PM |
| Dane | Madison East | µg/m³ | 12.1 | 12 AM | 21.5 | 11 PM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 10.8 | 12 AM | 19.2 | 11 PM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 11.9 | 12 AM | 20.2 | 02 PM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 10.9 | 12 AM | 17.9 | 05 PM |
| Forest | Potawatomi | µg/m³ | 3.9 | 08 AM | 4.4 | 08 PM |
| Grant | Potosi | µg/m³ | 13.2 | 12 AM | 25.6 | 12 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 13.2 | 12 AM | 22.7 | 04 PM |