Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
LIVE AQI CITY RANKING
Real-time Maine
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Vinalhaven | 31 |
| 2 | Bar Harbor | 30 |
| 3 | Lewiston | 27 |
| 4 | Cape Elizabeth | 20 |
| 5 | Phippsburg | 20 |
| 6 | Eliot | 18 |
| 7 | Presque Isle | 17 |
| 8 | Augusta | 15 |
| 9 | Rumford | 14 |
| 10 | Madawaska | 12 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
27 Contributors
See all
LIVE AQI CITY RANKING
Real-time Maine
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Alton | 0 |
| 2 | Friendship | 0 |
| 3 | Lubec | 0 |
| 4 | Winslow | 0 |
| 5 | Kittery | 1 |
| 6 | Saint George | 3 |
| 7 | Searsmont | 3 |
| 8 | Mexico | 4 |
| 9 | Brunswick | 6 |
| 10 | Bangor | 8 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
News
The latest air quality news and resources.
Maine air quality data attribution
27Contributors
- USA National Park Service
2 stations
- Maine Department of Enviromental Protection
18 stations
2 Government Contributors
- IQAir Community Member
2 stations
- IQAir Community Member
1 station
2 Individual Contributors
- 23 Anonymous contributors
23 stations
23 Anonymous Contributors
Which is the most polluted city in Maine?
- Berwick 32
- Acton 30
- Bar Harbor 30
- Cornish 29
- Jonesport 29
- Limerick 29
- Bridgton 28
- Brownfield 28
- Buckfield 28
- Denmark 28
- Fryeburg 28
- Harrison 28
- Hebron 28
- Hiram 28
- Lake Arrowhead 28
- Bethel 27
- Canton 27
- Dixfield 27
- Hartford 27
- Kittery Point 27
- Lewiston 27
- Alfred 26
- Chisholm 26
- Jay 26
- Leeds 26
- Limington 26
- Cape Neddick 25
- Fayette 25
- Arundel 24
- Chesterville 24
- Dayton 24
- Greene 24
- Hollis 24
- Kennebunkport 24
- Biddeford 23
- Buxton 23
- Holden 23
- Farmington 22
- Auburn 21
- Cape Elizabeth 20
- Falmouth 19
- Falmouth Foreside 19
- Belgrade 18
- Eliot 18
- Durham 17
- Freeport 17
- Lisbon 17
- Bath 16
- Boothbay 16
- Boothbay Harbor 16
- Gardiner 16
- Harpswell Center 16
- Lisbon Falls 16
- Augusta 15
- Bristol 15
- Chelsea 15
- Damariscotta 15
- Edgecomb 15
- Farmingdale 15
- Hallowell 15
- Kingfield 15
- Cornville 14
- Cushing 14
- Jefferson 14
- Carrabassett Valley 13
- Aroostook 12
- Ashland 12
- Brownville 12
- Easton 12
- Fairfield 12
- Appleton 11
- Benton 11
- Bradford 11
- Calais 11
- Camden 11
- Canaan 11
- Charleston 11
- China 11
- Corinna 11
- Dexter 11
- Dover-Foxcroft 11
- East Millinocket 11
- Edinburg 11
- Enfield 11
- Fort Fairfield 11
- Garland 11
- Greenbush 11
- Greenville 11
- Hodgdon 11
- Houlton 11
- Howland 11
- Hudson 11
- Kenduskeag 11
- Lincoln 11
- Albion 10
- Burnham 10
- Caribou 10
- Clinton 10
- Hope 10
- Levant 10
- Limestone 10
- Bradley 9
- Fort Kent 9
- Frenchville 9
- Gorham 9
- Bangor 8
- Cumberland Center 8
- Hermon 7
- Lincolnville 7
- Brewer 6
- Brunswick 6
- Carmel 6
- Deer Isle 6
- Eddington 6
- Etna 6
- Addison 5
- Belfast 5
- Brooks 5
- Bucksport 5
- Castine 5
- Cherryfield 5
- Dedham 5
- Dixmont 5
- East Machias 5
- Eastport 5
- Ellsworth 5
- Frankfort 5
- Franklin 5
- Gouldsboro 5
- Hampden 5
- Hancock 5
- Kittery 1
- Alton 0
- Friendship 0
- Kennebunk 0
- Lebanon
- Vinalhaven 31
- Parsonsfield 30
- Shapleigh 30
- South Berwick 30
- South Eliot 30
- Newfield 29
- Porter 29
- Lovell 28
- Mechanic Falls 28
- Norway 28
- Oxford 28
- Paris 28
- South Paris 28
- Springvale 28
- Turner 28
- West Paris 28
- Livermore 27
- Peru 27
- Poland 27
- Sanford 27
- Woodstock 27
- Livermore Falls 26
- Minot 26
- North Berwick 26
- South Sanford 26
- Steep Falls 26
- Waterboro 26
- Wayne 26
- York Harbor 26
- Ogunquit 25
- Wells Beach Station 25
- West Kennebunk 25
- Wilton 25
- York Beach 25
- Monmouth 24
- Winthrop 24
- Mount Vernon 23
- Old Orchard Beach 23
- Readfield 23
- Saco 23
- New Sharon 22
- Scarborough 22
- West Scarborough 22
- New Gloucester 20
- North Windham 20
- Phillips 20
- Phippsburg 20
- Rome 20
- South Portland 20
- South Portland Gardens 20
- South Windham 20
- Strong 20
- Westbrook 20
- Sabattus 18
- Yarmouth 18
- Madison 17
- Manchester 17
- Presque Isle 17
- Norridgewock 16
- North Bath 16
- Topsham 16
- Woolwich 16
- Nobleboro 15
- Oakland 15
- Pittston 15
- Randolph 15
- Richmond 15
- Skowhegan 15
- Whitefield 15
- Wiscasset 15
- Rumford 14
- Sidney 14
- Vassalboro 14
- Waldoboro 14
- Windsor 14
- Owls Head 13
- Rockland 13
- South Thomaston 13
- Warren 13
- Waterville 13
- Littleton 12
- Madawaska 12
- Palermo 12
- Thomaston 12
- Union 12
- Medway 11
- Millinocket 11
- Milo 11
- Palmyra 11
- Patten 11
- Portland 11
- Rockport 11
- Saint Albans 11
- Sangerville 11
- Stetson 11
- Washington 11
- Milford 10
- Newport 10
- Old Town 10
- Pittsfield 9
- Raymond 9
- Van Buren 9
- Stonington 8
- Orono 7
- Tremont 7
- Northport 6
- Plymouth 6
- Veazie 6
- Machias 5
- Machiasport 5
- Milbridge 5
- Orland 5
- Orrington 5
- Penobscot 5
- Perry 5
- Sedgwick 5
- Steuben 5
- Stockton Springs 5
- Sullivan 5
- Swanville 5
- Trenton 5
- Troy 5
- Winterport 5
- Mexico 4
- Saint George 3
- Searsmont 3
- Surry 2
- Lubec 0
- Winslow 0
AQI US, Metric