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 |  Lewiston | 52 |
| 2 | Madawaska | 46 |
| 3 | Raymond | 37 |
| 4 | Rumford | 37 |
| 5 | Augusta | 35 |
| 6 | Bar Harbor | 34 |
| 7 | Presque Isle | 34 |
| 8 | Vinalhaven | 32 |
| 9 | Gorham | 29 |
| 10 | Alton | 27 |
(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 | Bangor | 0 |
| 2 | Kennebunk | 0 |
| 3 | Friendship | 7 |
| 4 | Kittery | 10 |
| 5 | Cumberland Center | 12 |
| 6 | Lubec | 15 |
| 7 | Saint George | 16 |
| 8 | Cape Elizabeth | 17 |
| 9 | Eliot | 18 |
| 10 | Portland | 18 |
(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
- Maine Department of Enviromental Protection
18 stations
Government Contributor
- IQAir Community Member
1 station
- IQAir Community Member
1 station
2 Individual Contributors
- 24 Anonymous contributors
24 stations
24 Anonymous Contributors
4 Data sources
Which is the most polluted city in Maine?
- Belfast 57
- Bradford 57
- Bradley 57
- Brewer 57
- Brooks 57
- Brownville 57
- Bucksport 57
- Camden 57
- Carmel 57
- Castine 57
- Charleston 57
- Corinna 57
- Dedham 57
- Deer Isle 57
- Dexter 57
- Dixmont 57
- Dover-Foxcroft 57
- Eddington 57
- Edinburg 57
- Ellsworth 57
- Etna 57
- Frankfort 57
- Franklin 57
- Garland 57
- Greenbush 57
- Hampden 57
- Hancock 57
- Hermon 57
- Holden 57
- Hope 57
- Howland 57
- Hudson 57
- Kenduskeag 57
- Levant 57
- Lincolnville 57
- Albion 56
- Appleton 56
- Belgrade 56
- Benton 56
- Burnham 56
- Canaan 56
- China 56
- Clinton 56
- Cornville 56
- Cushing 56
- Enfield 56
- Fairfield 56
- Gouldsboro 56
- Greenville 56
- Jefferson 56
- Lincoln 56
- Addison 55
- Boothbay 55
- Boothbay Harbor 55
- Bristol 55
- Carrabassett Valley 55
- Chelsea 55
- Cherryfield 55
- Chesterville 55
- Damariscotta 55
- East Millinocket 55
- Edgecomb 55
- Farmingdale 55
- Farmington 55
- Fayette 55
- Gardiner 55
- Hallowell 55
- Jonesport 55
- Kingfield 55
- Bath 54
- Canton 54
- Chisholm 54
- Durham 54
- Freeport 54
- Greene 54
- Harpswell Center 54
- Hartford 54
- Jay 54
- Leeds 54
- Lisbon 54
- Lisbon Falls 54
- Buckfield 53
- Dixfield 53
- East Machias 53
- Falmouth 53
- Falmouth Foreside 53
- Hebron 52
- Lewiston 52
- Calais 51
- Eastport 48
- Hodgdon 48
- Aroostook 47
- Ashland 46
- Houlton 45
- Auburn 44
- Buxton 43
- Biddeford 42
- Harrison 42
- Arundel 39
- Bridgton 39
- Hollis 39
- Dayton 38
- Kennebunkport 38
- Limington 36
- Augusta 35
- Fort Kent 35
- Bar Harbor 34
- Bethel 34
- Denmark 34
- Hiram 34
- Cornish 33
- Lake Arrowhead 33
- Alfred 31
- Brownfield 31
- Easton 31
- Frenchville 31
- Limerick 31
- Caribou 30
- Fryeburg 30
- Gorham 29
- Cape Neddick 28
- Fort Fairfield 28
- Limestone 28
- Acton 27
- Alton 27
- Berwick 26
- Kittery Point 23
- Brunswick 22
- Eliot 18
- Cape Elizabeth 17
- Cumberland Center 12
- Kittery 10
- Friendship 7
- Bangor 0
- Kennebunk 0
- Lebanon
- Tremont 58
- Milford 57
- Milo 57
- Newport 57
- Northport 57
- Old Town 57
- Orland 57
- Orono 57
- Orrington 57
- Owls Head 57
- Palmyra 57
- Penobscot 57
- Pittsfield 57
- Plymouth 57
- Rockland 57
- Rockport 57
- Saint Albans 57
- Sangerville 57
- Sedgwick 57
- South Thomaston 57
- Stetson 57
- Stockton Springs 57
- Stonington 57
- Sullivan 57
- Swanville 57
- Trenton 57
- Troy 57
- Veazie 57
- Winterport 57
- Madison 56
- Norridgewock 56
- Oakland 56
- Palermo 56
- Rome 56
- Sidney 56
- Skowhegan 56
- Steuben 56
- Union 56
- Vassalboro 56
- Waldoboro 56
- Warren 56
- Washington 56
- Waterville 56
- Windsor 56
- Manchester 55
- Medway 55
- Milbridge 55
- Millinocket 55
- Mount Vernon 55
- New Sharon 55
- Nobleboro 55
- Pittston 55
- Randolph 55
- Readfield 55
- Richmond 55
- Strong 55
- Wayne 55
- Whitefield 55
- Winthrop 55
- Wiscasset 55
- Livermore 54
- Livermore Falls 54
- Machias 54
- Monmouth 54
- North Bath 54
- Phillips 54
- Sabattus 54
- Topsham 54
- Turner 54
- Wilton 54
- Woolwich 54
- Machiasport 53
- Minot 53
- New Gloucester 53
- Patten 53
- Peru 53
- South Portland 53
- Yarmouth 53
- Mechanic Falls 52
- North Windham 52
- Poland 52
- Scarborough 52
- South Portland Gardens 52
- Westbrook 52
- Paris 51
- South Windham 51
- Oxford 50
- West Scarborough 50
- South Paris 49
- Norway 48
- Perry 48
- Old Orchard Beach 47
- Madawaska 46
- West Paris 46
- Woodstock 46
- Saco 43
- Littleton 42
- Steep Falls 40
- Raymond 37
- Rumford 37
- West Kennebunk 35
- Presque Isle 34
- Wells Beach Station 33
- Vinalhaven 32
- Waterboro 32
- Lovell 31
- Ogunquit 31
- Newfield 29
- Parsonsfield 29
- Porter 29
- South Sanford 29
- York Beach 29
- Sanford 28
- Shapleigh 28
- Springvale 28
- Van Buren 28
- North Berwick 27
- Phippsburg 26
- South Berwick 26
- York Harbor 26
- South Eliot 23
- Thomaston 23
- Winslow 22
- Mexico 21
- Searsmont 20
- Surry 20
- Portland 18
- Saint George 16
- Lubec 15
AQI US, Metric