| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 11.5 | 12 AM | 16.7 | 01 PM |
| Ashland | Bad River Tribal School | µg/m³ | 3.9 | 12 AM | 6.7 | 12 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 10.4 | 12 AM | 12.3 | 07 AM |
| Sauk | Devils Lake | µg/m³ | 12 | 12 AM | 14.5 | 11 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | ||||
| Brown | Green Bay East High | µg/m³ | 9.7 | 12 AM | 14.3 | 04 PM |
| Ozaukee | Harrington Beach Park | µg/m³ | 8.3 | 11 PM | 11.7 | 08 AM |
| Dodge | Horicon Wildlife Area | µg/m³ | 9.3 | 11 PM | 12.7 | 09 AM |
| Marathon | Lake Dubay | µg/m³ | 11.4 | 12 AM | 18.1 | 04 PM |
| Dane | Madison East | µg/m³ | 13.9 | 12 AM | 16.9 | 11 AM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 13.5 | 12 AM | 17.4 | 08 PM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 10.4 | 11 PM | 13.1 | 08 AM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 10 | 12 AM | 12.6 | 08 AM |
| Forest | Potawatomi | µg/m³ | 6.9 | 12 AM | 12 | 02 PM |
| Grant | Potosi | µg/m³ | 23.5 | 12 AM | 28.4 | 07 PM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 11.8 | 12 AM | 17.3 | 09 AM |