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 | 5.7 | 05 AM | 8.7 | 12 AM |
| Ashland | Bad River Tribal School | µg/m³ | 4.3 | 12 AM | 3.6 | 11 PM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 8.3 | 12 AM | 9.6 | 07 PM |
| Sauk | Devils Lake | µg/m³ | 5.6 | 11 PM | 7.6 | 11 PM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 4.6 | 12 AM | 3.9 | 12 AM |
| Brown | Green Bay East High | µg/m³ | 4.1 | 09 PM | 7.6 | 07 AM |
| Ozaukee | Harrington Beach Park | µg/m³ | 5.7 | 09 PM | 8 | 02 PM |
| Dodge | Horicon Wildlife Area | µg/m³ | 6.9 | 01 AM | 8 | 10 PM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 5.7 | 03 AM | 7.1 | 08 AM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 8.7 | 04 AM | 9.5 | 02 PM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 10.8 | 01 AM | 21.1 | 08 PM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 9.1 | 09 PM | 11.9 | 07 PM |
| Forest | Potawatomi | µg/m³ | 2.7 | 12 AM | 2 | 11 PM |
| Grant | Potosi | µg/m³ | 5.6 | 10 PM | 8.6 | 03 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 10.6 | 12 AM | 10.5 | 06 AM |