| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 11 | 01 AM | 17.7 | 11 PM |
| Ashland | Bad River Tribal School | µg/m³ | 6.8 | 01 AM | 9.6 | 12 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 9.6 | 05 AM | 19.9 | 03 AM |
| Sauk | Devils Lake | µg/m³ | 12.3 | 07 AM | 18.7 | 02 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 12.6 | 01 AM | 14.3 | 12 AM |
| Brown | Green Bay East High | µg/m³ | 13 | 01 AM | 15.6 | 12 AM |
| Ozaukee | Harrington Beach Park | µg/m³ | 8.8 | 01 AM | 10.7 | 01 AM |
| Dodge | Horicon Wildlife Area | µg/m³ | 9.3 | 03 AM | 14.9 | 01 AM |
| Marathon | Lake Dubay | µg/m³ | 9.9 | 01 AM | 16.5 | 12 AM |
| Dane | Madison East | µg/m³ | 13.6 | 07 AM | 18.5 | 03 AM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 13.7 | 07 AM | 21.6 | 11 PM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 10.9 | 04 AM | 16.7 | 01 AM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 11.4 | 04 AM | 17.9 | 01 AM |
| Forest | Potawatomi | µg/m³ | 12.6 | 01 AM | 13 | 10 PM |
| Grant | Potosi | µg/m³ | 22.3 | 09 PM | 26.2 | 03 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 11.4 | 05 AM | 17.3 | 04 AM |