Highest Ozone
Filter by Site:
Filter by County:
.png)
.png)
| County | Site | Units | 8-Hour | Hour of Day | 1-Hour | Hour of Day |
|---|---|---|---|---|---|---|
| Outagamie | Appleton | ppb | 30.9 | 05 PM | 33.3 | 03 PM |
| Ashland | Bad River Tribal School | ppb | 34.2 | 04 PM | 36 | 11 AM |
| Milwaukee | Bayside | ppb | 44.3 | 07 PM | 46.4 | 02 PM |
| Rock | Beloit-Converse | ppb | 50.8 | 05 PM | 53.1 | 01 PM |
| Kenosha | Chiwaukee Prairie | ppb | 55.6 | 10 PM | 57.4 | 10 PM |
| Columbia | Columbus | ppb | 44.5 | 05 PM | 52.2 | 01 PM |
| Sauk | Devils Lake | ppb | 39 | 04 PM | 41.9 | 11 AM |
| Eau Claire | Eau Claire DOT Sign Shop | ppb | 30.2 | 05 PM | 31.8 | 04 PM |
| Walworth | Elkhorn | ppb | 50.3 | 06 PM | 54.6 | 02 PM |
| Fond du Lac | Fond Du Lac | ppb | 40.2 | 06 PM | 45.4 | 01 PM |
| Ozaukee | Grafton | ppb | 45.7 | 06 PM | 47.8 | 02 PM |
| Brown | Green Bay UW | ppb | 30 | 04 PM | 32.6 | 01 PM |
| Ozaukee | Harrington Beach Park | ppb | 41.2 | 06 PM | 43.6 | 04 PM |
| Dodge | Horicon Wildlife Area | ppb | 43 | 06 PM | 46.2 | 02 PM |
| Jefferson | Jefferson-Laatsch | ppb | 47.2 | 05 PM | 53.1 | 01 PM |
| Kenosha | Kenosha-Water Tower | ppb | 51.3 | 07 PM | 53.8 | 02 PM |
| Kewaunee | Kewaunee | ppb | 38.9 | 04 PM | 41.9 | 12 PM |
| La Crosse | La Crosse DOT | ppb | 33 | 12 AM | 31.2 | 04 PM |
| Marathon | Lake Dubay | ppb | 30.2 | 12 AM | 25.9 | 01 AM |
| Dane | Madison East | ppb | 45.1 | 05 PM | 51.1 | 12 PM |
| Manitowoc | Manitowoc | ppb | 37.3 | 05 PM | 40.7 | 02 PM |
| Milwaukee | Milwaukee-16th St. Health Center | ppb | 43.8 | 08 PM | 46.2 | 02 PM |
| Milwaukee | Milwaukee-UWM UPark | ppb | 46.4 | 08 PM | 47.7 | 02 PM |
| Door | Newport Park | ppb | 27.2 | 05 PM | 32.5 | 04 PM |
| Forest | Potawatomi | ppb | 25.3 | 12 AM | 24.3 | 10 AM |
| Racine | Racine-Payne & Dolan | ppb | 48.6 | 06 PM | 52.4 | 02 PM |
| Sheboygan | Sheboygan-Haven | ppb | 39.2 | 05 PM | 41.2 | 01 PM |
| Sheboygan | Sheboygan-Kohler Andrae | ppb | 42.4 | 07 PM | 44.4 | 05 PM |
| Vilas | Trout Lake | ppb | 31.9 | 04 PM | 33.7 | 10 AM |
| Waukesha | Waukesha-Cleveland Ave. | ppb | 49.4 | 06 PM | 53.5 | 03 PM |