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 | 66.4 | 12 AM | 49.8 | 12 AM |
| Ashland | Bad River Tribal School | µg/m³ | 58.7 | 12 AM | 43.1 | 09 AM |
| Kenosha | Chiwaukee Prairie | µg/m³ | 38.4 | 07 AM | 50.5 | 12 AM |
| Sauk | Devils Lake | µg/m³ | 47.3 | 12 AM | 34.4 | 11 AM |
| Eau Claire | Eau Claire DOT Sign Shop | µg/m³ | 55.2 | 12 AM | 46.3 | 07 AM |
| Brown | Green Bay East High | µg/m³ | 74.1 | 01 AM | 70.3 | 12 AM |
| Ozaukee | Harrington Beach Park | µg/m³ | 41.4 | 05 AM | 61.4 | 01 AM |
| Jackson | Ho-Chunk Nation-Black River Falls | µg/m³ | 48.8 | 12 AM | 41.3 | 09 AM |
| Monroe | Ho-Chunk Nation-Tomah | µg/m³ | 48.5 | 12 AM | 38.1 | 09 AM |
| Dodge | Horicon Wildlife Area | µg/m³ | 52 | 05 AM | 52.6 | 12 AM |
| Marathon | Lake Dubay | µg/m³ | 57.8 | 12 AM | 41.1 | 09 AM |
| Dane | Madison East | µg/m³ | 36.4 | 03 AM | 18.4 | 12 AM |
| Dane | Madison University Ave. Well #6 | µg/m³ | 41.1 | 03 AM | 20.9 | 09 AM |
| Milwaukee | Milwaukee-16th St. Health Center | µg/m³ | 53.4 | 05 AM | 65.2 | 12 AM |
| Milwaukee | Milwaukee-College Ave NR | µg/m³ | 49.1 | 06 AM | 59.2 | 12 AM |
| Forest | Potawatomi | µg/m³ | 69.1 | 12 AM | 40.7 | 12 AM |
| Grant | Potosi | µg/m³ | 21.3 | 06 PM | 34.1 | 11 AM |
| Waukesha | Waukesha-Cleveland Ave. | µg/m³ | 55.7 | 06 AM | 71.5 | 12 AM |