| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 6.4 | 07 PM | 9.8 | 05 PM |
| Ashland | Bad River Tribal School | µg/m³ | 7 | 12 AM | 10.8 | 04 PM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 8.1 | 01 AM | 9.4 | 12 AM |
| Sauk | Devils Lake | µg/m³ | 8.4 | 12 AM | 12.7 | 06 PM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 8.6 | 12 AM | 12.5 | 02 PM |
| Brown | Green Bay East High | µg/m³ | 6.3 | 06 PM | 7.8 | 04 PM |
| Ozaukee | Harrington Beach Park | µg/m³ | 6.2 | 04 PM | 8.7 | 02 AM |
| Dodge | Horicon Wildlife Area | µg/m³ | 6.2 | 01 AM | 8.9 | 12 AM |
| Marathon | Lake Dubay | µg/m³ | 7.1 | 12 AM | 12.5 | 07 PM |
| Dane | Madison East | µg/m³ | 8.2 | 12 AM | 13.6 | 03 PM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 10.3 | 12 AM | 14.3 | 04 PM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 10.3 | 01 AM | 12.3 | 06 AM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 9.4 | 01 AM | 9.7 | 02 PM |
| Forest | Potawatomi | µg/m³ | 5.9 | 12 AM | 10 | 09 PM |
| Grant | Potosi | µg/m³ | 9 | 12 AM | 12.2 | 01 PM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 10.1 | 01 AM | 12.8 | 04 AM |