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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 | Baileys Harbor | 62 |
| 2 | Manitowoc | 49 |
| 3 | Shorewood Hills | 46 |
| 4 | Crandon | 41 |
| 5 | Pleasant Prairie | 40 |
| 6 | Belgium | 39 |
| 7 | Beloit | 39 |
| 8 | Baraboo | 38 |
| 9 | Lake Geneva | 38 |
| 10 | Bayside | 37 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
91 Contributors
See all
LIVE AQI CITY RANKING
Real-time Wisconsin
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Hayward | 1 |
| 2 | Shell Lake | 1 |
| 3 | Rhinelander | 4 |
| 4 | Washburn | 4 |
| 5 | Siren | 5 |
| 6 | Superior | 5 |
| 7 | Black River Falls | 8 |
| 8 | Rothschild | 8 |
| 9 | Chetek | 10 |
| 10 | Spring Valley | 10 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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Moderate
Unhealthy for sensitive groups
Unhealthy
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News
The latest air quality news and resources.
Wisconsin air quality data attribution
91Contributors
- 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
79 Anonymous contributors79 stations
79 Anonymous Contributors
4 Data sources
Which is the most polluted city in Wisconsin?
- Baileys Harbor 62
- Manitowoc 49
- Clinton 47
- Como 46
- Darien 46
- Delavan Lake 46
- Eagle 46
- East Troy 46
- Elkhorn 46
- Fontana 46
- Janesville 46
- Milton 46
- Orfordville 46
- Palmyra 46
- Richmond 46
- Sharon 46
- Shorewood Hills 46
- Walworth 46
- Whitewater 46
- Williams Bay 46
- Big Bend 45
- Bohners Lake 45
- Bristol 45
- Brodhead 45
- Browns Lake 45
- Burlington 45
- Camp Lake 45
- Concord 45
- Decatur 45
- Dousman 45
- Eagle Lake 45
- Fort Atkinson 45
- Genoa City 45
- Hartland 45
- Lake Koshkonong 45
- Merton 45
- Muskego 45
- Nashotah 45
- North Prairie 45
- Oconomowoc 45
- Okauchee Lake 45
- Paddock Lake 45
- Pell Lake 45
- Pewaukee 45
- Potter Lake 45
- Powers Lake 45
- Rochester 45
- Salem 45
- Silver Lake 45
- Sussex 45
- Tichigan 45
- Twin Lakes 45
- Union Grove 45
- Wales 45
- Waterford 45
- Wind Lake 45
- Albany 44
- Brown Deer 44
- Butler 44
- Caledonia 44
- Cuba City 44
- Cudahy 44
- Dickeyville 44
- Edgerton 44
- Elm Grove 44
- Evansville 44
- Franklin 44
- Franksville 44
- Germantown 44
- Glendale 44
- Greendale 44
- Greenfield 44
- Hales Corners 44
- Hazel Green 44
- Ixonia 44
- Jackson 44
- Jefferson 44
- Kenosha 44
- Lannon 44
- Menomonee Falls 44
- Monroe 44
- Racine 44
- Richfield 44
- Saint Francis 44
- Shullsburg 44
- Somers 44
- South Milwaukee 44
- Sturtevant 44
- Wauwatosa 44
- West Milwaukee 44
- Whitefish Bay 44
- Wind Point 44
- Aztalan 43
- Barton 43
- Belleville 43
- Brooklyn 43
- Cambridge 43
- Cedarburg 43
- Darlington 43
- Fox Point 43
- Hartford 43
- Johnson Creek 43
- Lake Mills 43
- Lake Ripley 43
- Mequon 43
- Milford 43
- Monticello 43
- New Glarus 43
- Newburg 43
- Oregon 43
- Platteville 43
- River Hills 43
- Rutland 43
- Slinger 43
- Stoughton 43
- Thiensville 43
- Watertown 43
- West Bend 43
- Addison 42
- Ashford 42
- Barneveld 42
- Beaver Dam 42
- Campbellsport 42
- Cedar Grove 42
- Columbus 42
- Cottage Grove 42
- Dane 42
- Dodgeville 42
- Fall River 42
- Fennimore 42
- Fitchburg 42
- Fond du Lac 42
- Fredonia 42
- Grafton 42
- Hustisford 42
- Juneau 42
- Kewaskum 42
- Kohler 42
- Lancaster 42
- Lomira 42
- Marshall 42
- Mayville 42
- McFarland 42
- Middleton 42
- Milwaukee-waukesha-west Allis 42
- Mineral Point 42
- Monona 42
- North Fond du Lac 42
- Oostburg 42
- Port Washington 42
- Random Lake 42
- Saukville 42
- Sun Prairie 42
- Theresa 42
- Verona 42
- Waterloo 42
- Waunakee 42
- Windsor 42
- Alto 41
- Black Earth 41
- Boscobel 41
- Cleveland 41
- Crandon 41
- Eldorado 41
- Fox Lake 41
- Howards Grove 41
- Kiel 41
- Lake Wisconsin 41
- Lamartine 41
- Lodi 41
- Manchester 41
- Markesan 41
- Mazomanie 41
- Oakfield 41
- Poynette 41
- Prairie du Sac 41
- Randolph 41
- Rio 41
- Ripon 41
- Rosendale 41
- Roxbury 41
- Saint Peter 41
- Sauk City 41
- Sheboygan 41
- Sheboygan Falls 41
- Waupun 41
- Brothertown 40
- Cato 40
- Chilton 40
- Ellison Bay 40
- Green Lake 40
- Mishicot 40
- Muscoda 40
- Pardeeville 40
- Pleasant Prairie 40
- Portage 40
- Two Rivers 40
- West Baraboo 40
- Belgium 39
- Beloit 39
- Berlin 39
- Kewaunee 39
- Lake Delton 39
- Princeton 39
- Reedsburg 39
- Reedsville 39
- Richland Center 39
- Algoma 38
- Baraboo 38
- Brillion 38
- Cooperstown 38
- Hilbert 38
- Lake Geneva 38
- Montello 38
- Omro 38
- Prairie du Chien 38
- Wisconsin Dells 38
- Bayside 37
- Brookfield 37
- Denmark 37
- Green Bay 37
- Horicon 37
- Luxemburg 37
- Milwaukee 37
- Neenah 37
- Sherwood 37
- Shorewood 37
- Allouez 36
- Ashwaubenon 36
- Bellevue 36
- Brussels 36
- Combined Locks 36
- Dakota 36
- De Pere 36
- Glenmore 36
- Harrison 36
- Hobart 36
- Howard 36
- Kaukauna 36
- Kimberly 36
- Little Chute 36
- Marinette 36
- Mount Morris 36
- Oconto 36
- Oneida 36
- Peshtigo 36
- Redgranite 36
- Suamico 36
- Wausaukee 36
- Wautoma 36
- Westfield 36
- Winneconne 36
- Wrightstown 36
- Black Creek 35
- Bonduel 35
- Gillett 35
- Hortonville 35
- Keshena 35
- King 35
- Legend Lake 35
- Manawa 35
- New Berlin 35
- Oconto Falls 35
- Pittsfield 35
- Pulaski 35
- Shawano 35
- Waukesha 35
- Waupaca 35
- Weyauwega 35
- Adams 34
- Amherst 34
- Belle Plaine 34
- Cashton 34
- Clintonville 34
- De Forest 34
- Easton 34
- Elroy 34
- Florence 34
- Friendship 34
- Hillsboro 34
- Iola 34
- Lake Wazeecha 34
- Marion 34
- Mauston 34
- Nekoosa 34
- New Lisbon 34
- Plover 34
- Port Edwards 34
- Portland 34
- Potosi 34
- Rome 34
- Stevens Point 34
- Tomah 34
- Westby 34
- Whiting 34
- Wisconsin Rapids 34
- Antigo 33
- Bangor 33
- Bevent 33
- Deerfield 33
- Evergreen 33
- Kronenwetter 33
- Mosinee 33
- Nashville 33
- Oak Creek 33
- Plymouth 33
- Schofield 33
- Wittenberg 33
- French Island 32
- La Crosse 32
- Marshfield 32
- Medford 32
- Mount Pleasant 32
- North La Crosse 32
- Onalaska 32
- Rib Mountain 32
- West Salem 32
- Eagle River 31
- Edgar 31
- Madison 31
- Maine 31
- Marathon 31
- Merrill 31
- Mukwonago 31
- New Holstein 31
- Stratford 31
- Ashland 30
- Brice Prairie 30
- Cross Plains 30
- Holmen 30
- Athens 28
- Maple Bluff 28
- Spencer 28
- Neillsville 27
- Tomahawk 27
- Boulder Junction 26
- Colby 26
- Eau Claire 26
- Sturgeon Bay 26
- Delafield 25
- Mount Horeb 25
- Altoona 24
- Lac du Flambeau 24
- Abbotsford 23
- Loyal 23
- Spring Green 23
- Galesville 22
- Trempealeau 21
- Menasha 19
- Oshkosh 19
- Amery 17
- Hurley 17
- Weston 17
- Blair 16
- Chippewa Falls 16
- Greenwood 16
- Appleton 15
- Delavan 15
- New London 15
- Niagara 15
- Boyceville 14
- Glenwood City 14
- Sparta 14
- Tainter Lake 14
- Whitehall 14
- Baldwin 13
- Clear Lake 13
- Hammond 13
- New Richmond 13
- North Hudson 13
- Phillips 13
- Roberts 13
- Somerset 13
- Viroqua 13
- Woodville 13
- Barron 12
- Cameron 12
- Colfax 12
- Hudson 12
- Menomonie 12
- New Auburn 12
- Park Falls 12
- Prescott 12
- Rice Lake 12
- River Falls 12
- Turtle Lake 12
- Wausau 12
- Arcadia 11
- Augusta 11
- Bloomer 11
- Cumberland 11
- Ellsworth 11
- Independence 11
- Osseo 11
- Alma 10
- Chetek 10
- Durand 10
- Fall Creek 10
- Lake Hallie 10
- Lake Nebagamon 10
- Lake Wissota 10
- Mondovi 10
- Osceola 10
- Seymour 10
- Spring Valley 10
- Strum 10
- Taylor 10
- Balsam Lake 9
- Cadott 9
- Cornell 9
- Saint Croix Falls 9
- Stanley 9
- Thorp 9
- Black River Falls 8
- Ladysmith 8
- Luck 8
- Rothschild 8
- Frederic 7
- Grantsburg 7
- Little Round Lake 7
- Spooner 7
- Siren 5
- Superior 5
- Rhinelander 4
- Washburn 4
- Hayward 1
- Shell Lake 1
AQI US, Metric