| County | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 18.2 | 12 AM | 38.7 | 06 PM |
| Ashland | Bad River Tribal School | µg/m³ | 13.8 | 12 AM | 18.7 | 02 PM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 10.6 | 12 AM | 22.9 | 10 PM |
| Sauk | Devils Lake | µg/m³ | 14.3 | 12 AM | 24.4 | 11 PM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 14.8 | 12 AM | 22.3 | 10 PM |
| Brown | Green Bay East High | µg/m³ | 11.5 | 12 AM | 24 | 04 PM |
| Ozaukee | Harrington Beach Park | µg/m³ | 8.6 | 11 PM | 15.6 | 07 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 14.5 | 12 AM | 31.3 | 12 AM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 13 | 12 AM | 23.9 | 12 AM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 13.4 | 12 AM | 23 | 12 AM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 14.4 | 11 PM | 29.4 | 10 PM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 16.3 | 11 PM | 29.4 | 09 PM |
| Forest | Potawatomi | µg/m³ | 18 | 12 AM | 42.4 | 01 PM |
| Grant | Potosi | µg/m³ | 12.9 | 12 AM | 17.5 | 10 PM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 15.1 | 12 AM | 28.4 | 08 PM |