Air quality in Maine
Air quality index (AQI⁺) and PM2.5 air pollution in Maine • 20:58, Jun 16
Live most polluted city ranking
Real-time Maine most polluted city ranking
Learn more about global air quality
Which is the most polluted city in Maine?
- Southwest Harbor39
- Stonington39
- Deer Isle36
- Addison34
- Gouldsboro34
- Jonesport34
- Knox34
- Machiasport34
- Sedgwick34
- Boothbay33
- Owls Head33
- South Thomaston33
- Steuben33
- Trenton33
- Bath32
- Bath City32
- Boothbay Harbor32
- Bristol32
- Brunswick32
- Camden32
- Castine32
- Cushing32
- Damariscotta32
- Edgecomb32
- Falmouth Foreside32
- Freeport32
- Frenchville32
- Harpswell32
- Hope32
- Jefferson32
- Lisbon Falls32
- Milbridge32
- Newcastle32
- Richmond32
- Rockland32
- Rockport32
- Sagadahoc32
- Sullivan32
- Thomaston32
- Topsham32
- Union32
- Waldoboro32
- Warren32
- Wiscasset32
- Woolwich32
- Yarmouth32
- Appleton31
- Cherryfield31
- Cumberland Center31
- Durham31
- Falmouth31
- Lincolnville31
- Lisbon31
- Machias31
- Pittston31
- South Portland City31
- Whitefield31
- East Machias30
- Gardiner30
- Cumberland29
- Ellsworth29
- Gray29
- Oak Hill29
- Randolph29
- Sabattus29
- Searsport29
- Shapleigh29
- Stockton Springs29
- Windsor29
- Winslow29
- Albion28
- Androscoggin28
- Arundel28
- Auburn28
- Augusta city28
- Belfast28
- Belgrade28
- Benton28
- Biddeford28
- Brooks28
- Buckfield28
- Bucksport28
- Buxton28
- Canton28
- Cape Elizabeth28
- Chelsea28
- Chesterville28
- China28
- Chisholm28
- Dayton28
- Dedham28
- Dixfield28
- Dunstan28
- Eastport28
- Fairfield28
- Farmingdale28
- Fayette28
- Frankfort28
- Greene28
- Harrison28
- Hartford28
- Hebron28
- Jay28
- Kennebec28
- Kennebunkport28
- Kittery28
- Leeds28
- Lewiston28
- Livermore28
- Livermore Falls28
- Manchester28
- Mechanic Falls28
- Minot28
- Monmouth28
- Mount Vernon28
- North Windham28
- Norway28
- Oakland28
- Oakland town28
- Old Orchard Beach28
- Orland28
- Orrington28
- Oxford28
- Palermo28
- Paris28
- Peru28
- Phippsburg28
- Poland28
- Raymond28
- Readfield28
- Rome28
- Saco28
- Sidney28
- South Paris28
- South Windham28
- Standish28
- Steep Falls28
- Swanville28
- Turner28
- Unity28
- Vassalboro28
- Waldo28
- Waterville28
- Wells28
- West Kennebunk28
- West Paris28
- Westbrook28
- Wilton28
- Windham28
- Winterport28
- Winthrop28
- Woodstock28
- Acton27
- Alfred27
- Bangor27
- Berwick27
- Bethel27
- Bridgton27
- Brownfield27
- Burnham27
- Cape Neddick27
- Clinton27
- Cornish27
- Denmark27
- Farmington27
- Fryeburg27
- Hampden27
- Holden27
- Hollis27
- Kezar Falls27
- Kittery Point27
- Lake Arrowhead27
- Limerick27
- Limington27
- Lovell27
- New Sharon27
- Newfield27
- North Berwick27
- Ogunquit27
- Parsonsfield27
- Porter27
- Portland27
- Sanford27
- Sanford City27
- South Berwick27
- South Eliot27
- Waterboro27
- York27
- York Harbor27
- York town27
- Brewer26
- Dixmont26
- Eddington26
- Perry26
- Rumford26
- Strong26
- Norridgewock25
- St. George25
- Etna24
- Friendship24
- Hermon24
- Madawaska24
- Orono24
- Phillips24
- Pittsfield24
- Plymouth24
- Skowhegan24
- Veazie24
- Washington24
- Alton23
- Bradford23
- Bradley23
- Brownville Junction23
- Calais23
- Carmel23
- Carrabassett Valley23
- Charleston23
- Corinna23
- Cornville23
- Dexter23
- Dover-Foxcroft23
- Enfield23
- Franklin23
- Garland23
- Greenbush23
- Hartland23
- Howland23
- Hudson23
- Kenduskeag23
- Kingfield23
- Levant23
- Madison23
- Milford23
- Milo23
- Newport23
- Old Town23
- Palmyra23
- Penobscot23
- Portland city23
- Stetson23
- Bar Harbor22
- Gorham22
- Lincoln22
- Hallowell21
- Greenville20
- Searsmont20
- Eliot19
- Mexico19
- Naples town19
- North Haven19
- Passamaquoddy Pleasant Point19
- Somerset19
- Surry19
- Aroostook18
- Ashland18
- Caribou18
- East Millinocket18
- Easton18
- Fort Fairfield18
- Fort Kent18
- Hodgdon18
- Houlton18
- Limestone18
- Littleton18
- Medway18
- Millinocket18
- Patten18
- Piscataquis18
- South Portland18
- Springfield18
- Van Buren18
- Augusta17
- Vinalhaven17
- Edinburg14
- Presque Isle14
- Lubec13
- Hancock11
- Scarborough7
- Lebanon
