Air quality in Maine
Air quality index (AQI⁺) and PM2.5 air pollution in Maine • 18:00, Oct 20
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?
- Passamaquoddy Pleasant Point45
- Lewiston44
- Presque Isle39
- Bethel33
- Augusta28
- Portland city27
- Rumford27
- Cape Elizabeth26
- Jonesport26
- Mexico26
- Eliot24
- Friendship24
- Portland24
- Bar Harbor23
- Gorham23
- Lubec23
- Holden22
- Madawaska22
- Vinalhaven22
- Bangor21
- Naples town21
- Kittery19
- Chelsea18
- Frenchville16
- Searsmont15
- Acton14
- Auburn14
- Bridgton14
- Brownfield14
- Cornish14
- Denmark14
- Fryeburg14
- Kezar Falls14
- Lovell14
- Newfield14
- Parsonsfield14
- Porter14
- St. George14
- Winslow14
- Harrison13
- Limerick13
- Shapleigh13
- South Portland13
- Canton12
- Carrabassett Valley12
- Chisholm12
- Dixfield12
- Edinburg12
- Farmington12
- Franklin12
- Hartford12
- Jay12
- Kingfield12
- Lake Arrowhead12
- Limington12
- North Haven12
- Norway12
- Oxford12
- Paris12
- Peru12
- Phillips12
- South Paris12
- Steep Falls12
- Strong12
- Waterboro12
- West Paris12
- Wilton12
- Woodstock12
- Alfred11
- Androscoggin11
- Berwick11
- Buckfield11
- Buxton11
- Chesterville11
- Cumberland11
- Dayton11
- Durham11
- Fayette11
- Gray11
- Greene11
- Hebron11
- Hollis11
- Leeds11
- Livermore11
- Livermore Falls11
- Mechanic Falls11
- Minot11
- Monmouth11
- New Sharon11
- North Windham11
- Poland11
- Raymond11
- Readfield11
- Sabattus11
- Sanford11
- Sanford City11
- South Windham11
- Standish11
- Turner11
- Westbrook11
- Windham11
- Winthrop11
- York11
- Augusta city10
- Bath10
- Bath City10
- Belgrade10
- Benton10
- Brunswick10
- China10
- Cornville10
- Cumberland Center10
- Fairfield10
- Falmouth10
- Falmouth Foreside10
- Farmingdale10
- Freeport10
- Gardiner10
- Hallowell10
- Lisbon10
- Lisbon Falls10
- Madison10
- Manchester10
- Mount Vernon10
- Norridgewock10
- North Berwick10
- Oak Hill10
- Oakland10
- Pittston10
- Randolph10
- Richmond10
- Rome10
- Sagadahoc10
- Sidney10
- Skowhegan10
- South Berwick10
- South Eliot10
- Topsham10
- Vassalboro10
- Waterville10
- West Kennebunk10
- Whitefield10
- Windsor10
- Yarmouth10
- Albion9
- Appleton9
- Arundel9
- Biddeford9
- Boothbay9
- Boothbay Harbor9
- Bristol9
- Brooks9
- Burnham9
- Cape Neddick9
- Clinton9
- Corinna9
- Cushing9
- Damariscotta9
- Dexter9
- Dixmont9
- Dunstan9
- Edgecomb9
- Etna9
- Harpswell9
- Hartland9
- Hope9
- Jefferson9
- Kennebunk9
- Kennebunkport9
- Kittery Point9
- Newcastle9
- Newport9
- Ogunquit9
- Old Orchard Beach9
- Palermo9
- Palmyra9
- Phippsburg9
- Pittsfield9
- Plymouth9
- Saco9
- Stetson9
- Union9
- Unity9
- Waldo9
- Waldoboro9
- Warren9
- Wells9
- Wiscasset9
- Woolwich9
- York Harbor9
- York town9
- Belfast8
- Camden8
- Carmel8
- Frankfort8
- Garland8
- Hermon8
- Knox8
- Levant8
- Lincolnville8
- Owls Head8
- Rockland8
- Rockport8
- Searsport8
- South Thomaston8
- Swanville8
- Thomaston8
- Winterport8
- Addison7
- Alton7
- Ashland7
- Bradford7
- Bradley7
- Brewer7
- Bucksport7
- Calais7
- Caribou7
- Castine7
- Charleston7
- Cherryfield7
- Dedham7
- Deer Isle7
- Dover-Foxcroft7
- East Machias7
- Easton7
- Eastport7
- Eddington7
- Ellsworth7
- Fort Fairfield7
- Gouldsboro7
- Greenbush7
- Hampden7
- Hodgdon7
- Houlton7
- Hudson7
- Kenduskeag7
- Limestone7
- Littleton7
- Machias7
- Machiasport7
- Milbridge7
- Milford7
- Old Town7
- Orland7
- Orono7
- Orrington7
- Patten7
- Perry7
- Sedgwick7
- Somerset7
- Southwest Harbor7
- Springfield7
- Steuben7
- Stockton Springs7
- Stonington7
- Sullivan7
- Surry7
- Trenton7
- Van Buren7
- Veazie7
- Washington7
- Aroostook6
- Brownville Junction6
- East Millinocket6
- Enfield6
- Fort Kent6
- Greenville6
- Hancock6
- Howland6
- Lincoln6
- Medway6
- Millinocket6
- Milo6
- Penobscot6
- Piscataquis6
- Cousins Island1
- Scarborough1
- Kennebec0
- Oakland town0
- South Portland City0
- Lebanon
