Highest PM2.5
Filter by County:
Filter by Site:
.png)
| County | Site | Units | 24-Hour | Hour of Day | 1-Hour | Hour of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | µg/m³ | 19.9 | 05 PM | 21.9 | 12 AM |
| Ashland | Bad River Tribal School | µg/m³ | 8.2 | 11 PM | 9.9 | 10 PM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 19 | 05 PM | 24.4 | 04 AM |
| Sauk | Devils Lake | µg/m³ | 13.3 | 12 AM | 14.8 | 08 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 14.9 | 12 AM | 15.1 | 10 AM |
| Brown | Green Bay East High | µg/m³ | 20.8 | 05 PM | 25.9 | 06 AM |
| Ozaukee | Harrington Beach Park | µg/m³ | 17.9 | 05 PM | 26.8 | 12 AM |
| Dodge | Horicon Wildlife Area | µg/m³ | 19.7 | 06 PM | 25 | 06 AM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 29.5 | 12 PM | 37.7 | 12 AM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 18 | 03 AM | 28.5 | 12 AM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 29.5 | 05 PM | 46.2 | 02 AM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 25.8 | 06 PM | 46.5 | 02 AM |
| Forest | Potawatomi | µg/m³ | 8.8 | 11 PM | 13.9 | 10 PM |
| Grant | Potosi | µg/m³ | 17.7 | 06 PM | 23.2 | 02 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 37.2 | 05 PM | 58.3 | 03 AM |