Air quality in Maine
Air quality index (AQI⁺) and PM2.5 air pollution in Maine • 18:30, May 31
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?
- Augusta51
- Bangor47
- Portland city34
- Eliot33
- Frenchville33
- Lewiston33
- Passamaquoddy Pleasant Point33
- Vinalhaven33
- Jonesport29
- South Portland29
- St. George29
- Bethel28
- Bar Harbor27
- Holden27
- Wells27
- Friendship26
- Phippsburg25
- Portland24
- Shapleigh24
- Augusta city23
- Benton23
- Burnham23
- Cape Elizabeth23
- Clinton23
- Corinna23
- Cornville23
- Dexter23
- Durham23
- Edinburg23
- Fairfield23
- Hallowell23
- Hartland23
- Newport23
- Palmyra23
- Pittsfield23
- Plymouth23
- Searsmont23
- Skowhegan23
- Albion22
- Alton22
- Androscoggin22
- Belgrade22
- Bradford22
- Brownville Junction22
- Buckfield22
- Canton22
- Carrabassett Valley22
- Charleston22
- Chesterville22
- Chisholm22
- Dixfield22
- Dixmont22
- Dover-Foxcroft22
- East Millinocket22
- Etna22
- Farmington22
- Fayette22
- Franklin22
- Garland22
- Greene22
- Hancock22
- Hartford22
- Hebron22
- Howland22
- Hudson22
- Jay22
- Kenduskeag22
- Kennebec22
- Kingfield22
- Leeds22
- Levant22
- Livermore22
- Livermore Falls22
- Madawaska22
- Madison22
- Manchester22
- Millinocket22
- Milo22
- Monmouth22
- Mount Vernon22
- New Sharon22
- Norridgewock22
- Oakland22
- Paris22
- Penobscot22
- Peru22
- Phillips22
- Piscataquis22
- Presque Isle22
- Readfield22
- Rome22
- Sidney22
- Somerset22
- Stetson22
- Strong22
- Turner22
- Unity22
- Vassalboro22
- Waterville22
- West Paris22
- Wilton22
- Winthrop22
- Woodstock22
- Auburn21
- Carmel21
- China21
- Enfield21
- Farmingdale21
- Hermon21
- Kittery Point21
- Mechanic Falls21
- Minot21
- Norway21
- Palermo21
- Sabattus21
- South Eliot21
- South Paris21
- Berwick20
- Chelsea20
- Gardiner20
- Lincoln20
- Medway20
- North Haven20
- Old Town20
- Oxford20
- Randolph20
- South Berwick20
- Windsor20
- York Harbor20
- Acton19
- Alfred19
- Appleton19
- Arundel19
- Biddeford19
- Bradley19
- Brewer19
- Brooks19
- Bucksport19
- Buxton19
- Cape Neddick19
- Cumberland19
- Cumberland Center19
- Dayton19
- Dedham19
- Dunstan19
- Eddington19
- Falmouth19
- Falmouth Foreside19
- Frankfort19
- Freeport19
- Gray19
- Greenbush19
- Hampden19
- Harrison19
- Hollis19
- Jefferson19
- Kennebunkport19
- Lake Arrowhead19
- Limerick19
- Limington19
- Lisbon19
- Lisbon Falls19
- Milford19
- North Berwick19
- North Windham19
- Oak Hill19
- Ogunquit19
- Old Orchard Beach19
- Orono19
- Orrington19
- Pittston19
- Poland19
- Raymond19
- Richmond19
- Saco19
- Sanford19
- Sanford City19
- Searsport19
- South Windham19
- Springfield19
- Standish19
- Steep Falls19
- Stockton Springs19
- Swanville19
- Topsham19
- Union19
- Veazie19
- Waldo19
- Waterboro19
- West Kennebunk19
- Westbrook19
- Whitefield19
- Winterport19
- Wiscasset19
- Yarmouth19
- York19
- York town19
- Bath18
- Bath City18
- Bridgton18
- Brownfield18
- Brunswick18
- Castine18
- Cornish18
- Denmark18
- Edgecomb18
- Fryeburg18
- Gorham18
- Hodgdon18
- Hope18
- Houlton18
- Kezar Falls18
- Lincolnville18
- Littleton18
- Lovell18
- Newcastle18
- Newfield18
- Orland18
- Parsonsfield18
- Patten18
- Porter18
- Sagadahoc18
- South Portland City18
- Waldoboro18
- Woolwich18
- Aroostook17
- Ashland17
- Camden17
- Caribou17
- Damariscotta17
- Easton17
- Ellsworth17
- Fort Fairfield17
- Fort Kent17
- Harpswell17
- Limestone17
- Rumford17
- Van Buren17
- Warren17
- Boothbay16
- Boothbay Harbor16
- Bristol16
- Cushing16
- Rockland16
- Rockport16
- Surry16
- Thomaston16
- Owls Head15
- South Thomaston15
- Cherryfield14
- Deer Isle14
- Knox14
- Sedgwick14
- Sullivan14
- Trenton14
- Washington14
- Calais13
- Mexico13
- Scarborough13
- Southwest Harbor13
- Stonington13
- Belfast12
- Gouldsboro12
- Lubec12
- Milbridge12
- Naples town12
- Steuben12
- East Machias11
- Machias11
- Perry11
- Addison10
- Eastport9
- Machiasport9
- Windham9
- Greenville8
- Winslow8
- Oakland town6
- Kittery3
- Kennebunk1
- Lebanon
