Air quality in Maine
Air quality index (AQI⁺) and PM2.5 air pollution in Maine • 20:20, Oct 10
Live most polluted city ranking
Real-time Maine most polluted city ranking
Wildfires in Maine
Real-time information
Active fires
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Learn more about global air quality
Which is the most polluted city in Maine?
- Portland city31
- Cape Elizabeth30
- Bar Harbor29
- Passamaquoddy Pleasant Point29
- Vinalhaven29
- Frenchville28
- Rumford27
- Kittery Point26
- South Eliot26
- Friendship24
- Lubec24
- Eliot23
- Kittery23
- Berwick22
- Mexico22
- North Haven22
- York Harbor22
- Gorham20
- Portland20
- South Portland20
- Naples town19
- Searsmont19
- South Berwick19
- Cape Neddick18
- Chelsea18
- St. George18
- York town18
- Auburn17
- Presque Isle17
- Madawaska16
- Edinburg13
- North Berwick13
- Ogunquit13
- Acton12
- Alfred12
- Androscoggin12
- Arundel12
- Bethel12
- Biddeford12
- Bridgton12
- Brownfield12
- Brunswick12
- Buckfield12
- Buxton12
- Cornish12
- Cousins Island12
- Cumberland12
- Cumberland Center12
- Dayton12
- Denmark12
- Dunstan12
- Durham12
- Falmouth12
- Falmouth Foreside12
- Freeport12
- Fryeburg12
- Gray12
- Greene12
- Harpswell12
- Harrison12
- Hartford12
- Hebron12
- Hollis12
- Kennebunkport12
- Kezar Falls12
- Lake Arrowhead12
- Leeds12
- Limerick12
- Limington12
- Lisbon12
- Lisbon Falls12
- Lovell12
- Mechanic Falls12
- Minot12
- Monmouth12
- Newfield12
- North Windham12
- Norway12
- Oak Hill12
- Old Orchard Beach12
- Oxford12
- Paris12
- Parsonsfield12
- Peru12
- Poland12
- Porter12
- Raymond12
- Sabattus12
- Saco12
- Sanford12
- Sanford City12
- Scarborough12
- Shapleigh12
- South Paris12
- South Portland City12
- South Windham12
- Standish12
- Steep Falls12
- Topsham12
- Turner12
- Waterboro12
- Wells12
- West Kennebunk12
- West Paris12
- Westbrook12
- Windham12
- Woodstock12
- Yarmouth12
- York12
- Albion11
- Appleton11
- Augusta city11
- Bath11
- Bath City11
- Belfast11
- Belgrade11
- Benton11
- Boothbay11
- Boothbay Harbor11
- Bristol11
- Brooks11
- Burnham11
- Camden11
- Canton11
- Carrabassett Valley11
- Chesterville11
- China11
- Chisholm11
- Clinton11
- Corinna11
- Cornville11
- Cushing11
- Damariscotta11
- Dexter11
- Dixfield11
- Dixmont11
- Edgecomb11
- Etna11
- Fairfield11
- Farmingdale11
- Farmington11
- Fayette11
- Franklin11
- Gardiner11
- Hallowell11
- Hartland11
- Hope11
- Jay11
- Jefferson11
- Kennebec11
- Kingfield11
- Knox11
- Lewiston11
- Lincolnville11
- Livermore11
- Livermore Falls11
- Madison11
- Manchester11
- Mount Vernon11
- New Sharon11
- Newcastle11
- Newport11
- Norridgewock11
- Oakland11
- Oakland town11
- Owls Head11
- Palermo11
- Palmyra11
- Phillips11
- Phippsburg11
- Pittsfield11
- Pittston11
- Plymouth11
- Randolph11
- Readfield11
- Richmond11
- Rockland11
- Rockport11
- Rome11
- Sagadahoc11
- Sidney11
- Skowhegan11
- South Thomaston11
- Stetson11
- Strong11
- Swanville11
- Thomaston11
- Union11
- Unity11
- Vassalboro11
- Waldo11
- Waldoboro11
- Warren11
- Waterville11
- Whitefield11
- Wilton11
- Windsor11
- Winthrop11
- Wiscasset11
- Woolwich11
- Carmel9
- Deer Isle8
- Frankfort8
- Garland8
- Levant8
- Searsport8
- Hermon7
- Stonington7
- Addison6
- Alton6
- Aroostook6
- Ashland6
- Augusta6
- Bradford6
- Bradley6
- Brewer6
- Brownville Junction6
- Bucksport6
- Calais6
- Caribou6
- Castine6
- Charleston6
- Cherryfield6
- Dedham6
- Dover-Foxcroft6
- East Machias6
- East Millinocket6
- Easton6
- Eastport6
- Eddington6
- Ellsworth6
- Enfield6
- Fort Fairfield6
- Fort Kent6
- Gouldsboro6
- Greenbush6
- Hampden6
- Hodgdon6
- Holden6
- Houlton6
- Howland6
- Hudson6
- Jonesport6
- Kenduskeag6
- Kennebunk6
- Limestone6
- Lincoln6
- Littleton6
- Machias6
- Machiasport6
- Medway6
- Milbridge6
- Milford6
- Millinocket6
- Milo6
- Old Town6
- Orland6
- Orono6
- Orrington6
- Patten6
- Penobscot6
- Perry6
- Piscataquis6
- Sedgwick6
- Somerset6
- Southwest Harbor6
- Springfield6
- Steuben6
- Stockton Springs6
- Sullivan6
- Surry6
- Trenton6
- Van Buren6
- Veazie6
- Washington6
- Winterport6
- Bangor5
- Winslow2
- Greenville0
- Hancock0
- Lebanon
