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Air quality in Wisconsin
Air quality index (AQI) and PM2.5 air pollution in Wisconsin
LIVE AQI CITY RANKING
Real-time Wisconsin
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | De Forest | 57 |
| 2 | Amery | 51 |
| 3 | Pleasant Prairie | 43 |
| 4 | Viroqua | 38 |
| 5 | Crandon | 34 |
| 6 | Potosi | 33 |
| 7 | Blair | 32 |
| 8 | Baraboo | 30 |
| 9 | Turtle Lake | 30 |
| 10 | Altoona | 29 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
97 Contributors
See all
LIVE AQI CITY RANKING
Real-time Wisconsin
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Bayside | 0 |
| 2 | Mount Pleasant | 4 |
| 3 | Rhinelander | 4 |
| 4 | Sturgeon Bay | 4 |
| 5 | Washburn | 6 |
| 6 | Ashland | 7 |
| 7 | Baileys Harbor | 8 |
| 8 | Superior | 8 |
| 9 | Appleton | 10 |
| 10 | Plymouth | 10 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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Unhealthy for sensitive groups
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News
The latest air quality news and resources.
Wisconsin air quality data attribution
97Contributors
- Wisconsin Department of Natural Resources (WDNR)
34 stations
Government Contributor
- MKE FreshAir Collective
7 stations
- Love My Air Wisconsin
1 station
- MKE FreshAir Collective
10 stations
4 Non-profit organization Contributors
- School District of Beloit Turner
1 station
Educational Contributor
- APOAK
1 station
Corporate Contributor
- IQAir Community Member
1 station
- Breja Gunnison Fink
1 station
- BrianSeehafer
1 station
- astralbodies
1 station
- anonymous
1 station
5 Individual Contributors
85 Anonymous contributors85 stations
85 Anonymous Contributors
4 Data sources
Which is the most polluted city in Wisconsin?
- De Forest 57
- Amery 51
- Pleasant Prairie 43
- Racine 39
- Viroqua 38
- Como 37
- Kewaunee 37
- Ellison Bay 36
- Medford 35
- Crandon 34
- Potosi 33
- Blair 32
- Wausaukee 31
- Baraboo 30
- Turtle Lake 30
- Altoona 29
- Columbus 29
- Mosinee 29
- Fond du Lac 28
- Milwaukee 28
- Boulder Junction 27
- Horicon 27
- Belgium 26
- Spring Valley 26
- Eau Claire 25
- Hudson 25
- Oak Creek 25
- Chetek 24
- Cuba City 24
- Dickeyville 24
- Fennimore 24
- Hazel Green 24
- Jefferson 24
- La Crosse 24
- Lancaster 24
- Platteville 24
- Reedsburg 24
- Richland Center 24
- Spring Green 24
- Boscobel 23
- Darlington 23
- Dodgeville 23
- Mineral Point 23
- Muscoda 23
- Niagara 23
- Sheboygan 23
- Shullsburg 23
- Arcadia 22
- Athens 22
- Barneveld 22
- Delafield 22
- Edgar 22
- Galesville 22
- Green Bay 22
- Hillsboro 22
- Lake Delton 22
- Marathon 22
- Prairie du Sac 22
- Sauk City 22
- Shorewood 22
- West Baraboo 22
- Wisconsin Dells 22
- Alma 21
- Black Earth 21
- Brice Prairie 21
- Dane 21
- Ellsworth 21
- Elroy 21
- Holmen 21
- Independence 21
- Lake Wisconsin 21
- Lodi 21
- Maine 21
- Mauston 21
- Menasha 21
- New Holstein 21
- New Lisbon 21
- Oshkosh 21
- Prairie du Chien 21
- Roxbury 21
- Sparta 21
- Stratford 21
- Trempealeau 21
- Wausau 21
- Whitehall 21
- Abbotsford 20
- Baldwin 20
- Balsam Lake 20
- Barron 20
- Boyceville 20
- Cameron 20
- Clear Lake 20
- Colby 20
- Cumberland 20
- Durand 20
- Easton 20
- Evergreen 20
- French Island 20
- Glenwood City 20
- Hammond 20
- Kronenwetter 20
- Merrill 20
- Middleton 20
- Monroe 20
- Monticello 20
- New Auburn 20
- New Glarus 20
- New Richmond 20
- North Hudson 20
- North La Crosse 20
- Onalaska 20
- Osceola 20
- Portage 20
- Poynette 20
- Prescott 20
- Rib Mountain 20
- Rice Lake 20
- Rio 20
- River Falls 20
- Roberts 20
- Saint Croix Falls 20
- Schofield 20
- Somerset 20
- Strum 20
- Tainter Lake 20
- Tomah 20
- Verona 20
- Waunakee 20
- West Salem 20
- Windsor 20
- Woodville 20
- Adams 19
- Albany 19
- Antigo 19
- Augusta 19
- Bangor 19
- Belleville 19
- Bevent 19
- Bloomer 19
- Brodhead 19
- Brookfield 19
- Cashton 19
- Colfax 19
- Decatur 19
- Fall Creek 19
- Fall River 19
- Fitchburg 19
- Frederic 19
- Friendship 19
- Grantsburg 19
- Greenwood 19
- Lake Hallie 19
- Loyal 19
- Luck 19
- Marshall 19
- Marshfield 19
- Mazomanie 19
- Menomonie 19
- Milford 19
- Mondovi 19
- Monona 19
- Neillsville 19
- Nekoosa 19
- Osseo 19
- Pardeeville 19
- Port Edwards 19
- Portland 19
- Seymour 19
- Spencer 19
- Sun Prairie 19
- Waterloo 19
- Watertown 19
- Waukesha 19
- Westby 19
- Wisconsin Rapids 19
- Wittenberg 19
- Amherst 18
- Aztalan 18
- Black River Falls 18
- Brooklyn 18
- Cadott 18
- Chippewa Falls 18
- Concord 18
- Cornell 18
- Cottage Grove 18
- Dousman 18
- Iola 18
- Ixonia 18
- Johnson Creek 18
- Lake Mills 18
- Lake Wazeecha 18
- Lake Wissota 18
- Manitowoc 18
- Marion 18
- McFarland 18
- New Berlin 18
- Oconomowoc 18
- Oregon 18
- Orfordville 18
- Plover 18
- Rome 18
- Rutland 18
- Spooner 18
- Stanley 18
- Stevens Point 18
- Stoughton 18
- Thorp 18
- Whiting 18
- Cambridge 17
- Clintonville 17
- Dakota 17
- Edgerton 17
- Evansville 17
- Fort Atkinson 17
- Keshena 17
- King 17
- Ladysmith 17
- Lake Ripley 17
- Montello 17
- Nashotah 17
- Okauchee Lake 17
- Palmyra 17
- Rothschild 17
- Tomahawk 17
- Wales 17
- Waupaca 17
- Westfield 17
- Weston 17
- Beaver Dam 16
- Belle Plaine 16
- Big Bend 16
- Bohners Lake 16
- Browns Lake 16
- Burlington 16
- Clinton 16
- Cross Plains 16
- Darien 16
- Delavan Lake 16
- Eagle 16
- East Troy 16
- Elkhorn 16
- Fontana 16
- Genoa City 16
- Hartland 16
- Hayward 16
- Janesville 16
- Lake Geneva 16
- Lake Koshkonong 16
- Legend Lake 16
- Manawa 16
- Manchester 16
- Merton 16
- Milton 16
- Mount Morris 16
- Nashville 16
- North Prairie 16
- Pell Lake 16
- Pewaukee 16
- Potter Lake 16
- Powers Lake 16
- Princeton 16
- Randolph 16
- Redgranite 16
- Richmond 16
- Rochester 16
- Sharon 16
- Shawano 16
- Tichigan 16
- Twin Lakes 16
- Walworth 16
- Waterford 16
- Wautoma 16
- Weyauwega 16
- Whitewater 16
- Williams Bay 16
- Alto 15
- Berlin 15
- Bonduel 15
- Bristol 15
- Camp Lake 15
- Eagle Lake 15
- Fox Lake 15
- Franklin 15
- Green Lake 15
- Hales Corners 15
- Hustisford 15
- Juneau 15
- Madison 15
- Maple Bluff 15
- Markesan 15
- Mayville 15
- Muskego 15
- Paddock Lake 15
- Ripon 15
- Salem 15
- Shorewood Hills 15
- Silver Lake 15
- Sussex 15
- Union Grove 15
- Waupun 15
- Wind Lake 15
- Addison 14
- Ashford 14
- Black Creek 14
- Campbellsport 14
- Eagle River 14
- Eldorado 14
- Elm Grove 14
- Germantown 14
- Gillett 14
- Greendale 14
- Greenfield 14
- Hartford 14
- Hortonville 14
- Jackson 14
- Kewaskum 14
- Lamartine 14
- Lannon 14
- Little Round Lake 14
- Lomira 14
- Menomonee Falls 14
- North Fond du Lac 14
- Oakfield 14
- Omro 14
- Phillips 14
- Pulaski 14
- Richfield 14
- Rosendale 14
- Slinger 14
- Theresa 14
- Winneconne 14
- Ashwaubenon 13
- Barton 13
- Brothertown 13
- Butler 13
- Caledonia 13
- Chilton 13
- Franksville 13
- Hobart 13
- Kiel 13
- Kohler 13
- Lac du Flambeau 13
- Mukwonago 13
- Neenah 13
- Newburg 13
- Oconto Falls 13
- Oneida 13
- Park Falls 13
- Pittsfield 13
- Random Lake 13
- Saint Peter 13
- Somers 13
- Sturtevant 13
- Wauwatosa 13
- West Bend 13
- Allouez 12
- Bellevue 12
- Beloit 12
- Brillion 12
- Brown Deer 12
- Cato 12
- Cedar Grove 12
- Cedarburg 12
- Combined Locks 12
- Cooperstown 12
- De Pere 12
- Deerfield 12
- Delavan 12
- Denmark 12
- Florence 12
- Fredonia 12
- Glenmore 12
- Grafton 12
- Harrison 12
- Hilbert 12
- Howard 12
- Howards Grove 12
- Kaukauna 12
- Kenosha 12
- Kimberly 12
- Little Chute 12
- Luxemburg 12
- Mequon 12
- Mount Horeb 12
- New London 12
- Oostburg 12
- Reedsville 12
- Saint Francis 12
- Saukville 12
- Sheboygan Falls 12
- Sherwood 12
- Siren 12
- South Milwaukee 12
- Suamico 12
- Thiensville 12
- West Milwaukee 12
- Wrightstown 12
- Cleveland 11
- Cudahy 11
- Fox Point 11
- Glendale 11
- Hurley 11
- Lake Nebagamon 11
- Milwaukee-waukesha-west Allis 11
- Mishicot 11
- Oconto 11
- Port Washington 11
- River Hills 11
- Shell Lake 11
- Two Rivers 11
- Whitefish Bay 11
- Wind Point 11
- Algoma 10
- Appleton 10
- Brussels 10
- Marinette 10
- Peshtigo 10
- Plymouth 10
- Taylor 10
- Baileys Harbor 8
- Superior 8
- Ashland 7
- Washburn 6
- Mount Pleasant 4
- Rhinelander 4
- Sturgeon Bay 4
- Bayside 0
AQI US, Metric