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 | 7.5 | 09 AM | 11.4 | 03 AM |
| Ashland | Bad River Tribal School | µg/m³ | 2.2 | 12 AM | 3 | 01 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 9.8 | 04 AM | 15.6 | 12 AM |
| Sauk | Devils Lake | µg/m³ | 4.6 | 04 PM | 9.5 | 06 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 5.9 | 05 AM | 15.6 | 03 AM |
| Brown | Green Bay East High | µg/m³ | 9.2 | 08 AM | 17 | 12 AM |
| Ozaukee | Harrington Beach Park | µg/m³ | 5.8 | 02 PM | 13.1 | 01 AM |
| Dodge | Horicon Wildlife Area | µg/m³ | 7.2 | 02 PM | 10.6 | 12 AM |
| Marathon | Lake Dubay | µg/m³ | ||||
| Dane | Madison East | µg/m³ | 10 | 04 PM | 13 | 12 AM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 25.1 | 02 PM | 26.6 | 12 AM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 16 | 08 AM | 28 | 12 AM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 11.9 | 08 AM | 15.3 | 12 AM |
| Forest | Potawatomi | µg/m³ | 1.3 | 12 AM | 2.4 | 12 AM |
| Grant | Potosi | µg/m³ | 7.6 | 04 PM | 14 | 06 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 15.1 | 09 AM | 22.4 | 12 AM |