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Air quality in Massachusetts
Air quality index (AQI) and PM2.5 air pollution in Massachusetts
LIVE AQI CITY RANKING
Real-time Massachusetts
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Otis | 48 |
| 2 | Saugus | 41 |
| 3 | Andover | 38 |
| 4 | Easthampton | 38 |
| 5 | Fall River | 38 |
| 6 | Lynn | 38 |
| 7 | Barre | 37 |
| 8 | North Adams | 36 |
| 9 | Roxbury | 36 |
| 10 | Holyoke | 35 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
173 Contributors
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3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
Massachusetts air quality data attribution
173Contributors
Government Contributor
- Alex Vandiver
1 station
- IQAir community Member
1 station
- Kathie Tryon
1 station
- Rowley MA Dodge
1 station
4 Individual Contributors
- 168 Anonymous contributors
168 stations
168 Anonymous Contributors
Which is the most polluted city in Massachusetts?
- Boxford 54
- Groveland 54
- Haverhill 54
- Methuen 54
- Middleton 54
- North Andover 54
- Tewksbury 54
- West Newbury 54
- Belmont 53
- Burlington 53
- Cochituate 53
- Danvers 53
- Dunstable 53
- Lincoln 53
- Lowell 53
- Lynnfield 53
- Malden 53
- Newburyport 53
- Pinehurst 53
- Reading 53
- Salisbury 53
- Stoneham 53
- Topsfield 53
- Tyngsboro 53
- Watertown 53
- Wayland 53
- Wenham 53
- West Concord 53
- Westford 53
- Wilmington 53
- Winchester 53
- Beverly 52
- Beverly Cove 52
- Boxborough 52
- East Pepperell 52
- Everett 52
- Framingham 52
- Framingham Center 52
- Groton 52
- Ipswich 52
- Jamaica Plain 52
- Littleton Common 52
- Revere 52
- South Boston 52
- South Peabody 52
- Sudbury 52
- Winthrop 52
- Ashland 51
- Bolton 51
- Dedham 51
- Devens 51
- Dover 51
- Hudson 51
- Marlborough 51
- Nahant 51
- Shirley 51
- Berlin 50
- Clinton 50
- Cordaville 50
- Essex 50
- Holliston 50
- Millis 50
- Millis-Clicquot 50
- Norwood 50
- South Lancaster 50
- Boylston 49
- Canton 49
- East Brookfield 49
- Fitchburg 49
- Hamilton 49
- Hopkinton 49
- Hull 49
- Leicester 49
- Leominster 49
- Lunenburg 49
- Medway 49
- Norfolk 49
- Paxton 49
- Princeton 49
- Rutland 49
- Spencer 49
- Sterling 49
- Upton 49
- Walpole 49
- West Boylston 49
- Westborough 49
- Ashburnham 48
- Ashby 48
- Athol 48
- Auburn 48
- Avon 48
- Baldwinville 48
- Belchertown 48
- Bondsville 48
- Brimfield 48
- Charlton 48
- Erving 48
- Fiskdale 48
- Foxborough 48
- Franklin 48
- Gardner 48
- Grafton 48
- Hampden 48
- Hardwick 48
- Holland 48
- Hopedale 48
- Hubbardston 48
- Ludlow 48
- Manchester-by-the-Sea 48
- Mendon 48
- Millbury 48
- Monson 48
- Monson Center 48
- North Brookfield 48
- Northbridge 48
- Northfield 48
- Oakham 48
- Orange 48
- Otis 48
- Palmer 48
- Pelham 48
- Phillipston 48
- Randolph 48
- Royalston 48
- Shutesbury 48
- South Ashburnham 48
- Southbridge 48
- Stoughton 48
- Sturbridge 48
- Sutton 48
- Three Rivers 48
- Wales 48
- Warren 48
- Wendell 48
- West Brookfield 48
- Westminster 48
- Whitinsville 48
- Wilbraham 48
- Winchendon 48
- Wrentham 48
- Adams 47
- Agawam 47
- Amherst Center 47
- Bernardston 47
- Blackstone 47
- Douglas 47
- Dudley 47
- East Douglas 47
- Gloucester 47
- Granby 47
- Leverett 47
- Mansfield 47
- Mansfield Center 47
- Millers Falls 47
- Millville 47
- North Amherst 47
- North Chicopee 47
- Rockport 47
- South Amherst 47
- South Hadley 47
- Webster 47
- West Springfield 47
- Ashfield 46
- Charlemont 46
- Chesterfield 46
- Cohasset 46
- Colrain 46
- Conway 46
- Easton 46
- Hadley 46
- Hatfield 46
- Lanesborough 46
- Montague 46
- Plainville 46
- Shelburne 46
- South Deerfield 46
- Southampton 46
- Southwick 46
- Turners Falls 46
- Westhampton 46
- Whately 46
- Williamsburg 46
- Abington 45
- Dalton 45
- Hinsdale 45
- North Attleborough Center 45
- North Scituate 45
- Norton Center 45
- Rockland 45
- Bridgewater 44
- East Bridgewater 44
- Marshfield 44
- Marshfield Hills 44
- North Pembroke 44
- Norton 44
- Ocean Bluff-Brant Rock 44
- Whitman 44
- Becket 43
- Duxbury 43
- Granville 43
- Green Harbor-Cedar Crest 43
- Halifax 43
- Kingston 43
- Middleborough Center 43
- North Plymouth 43
- Plympton 43
- Raynham 43
- Raynham Center 43
- Richmond 43
- South Duxbury 43
- Taunton 43
- Carver 42
- Housatonic 42
- Lee 42
- Lenox 42
- North Lakeville 42
- North Seekonk 42
- Stockbridge 42
- West Stockbridge 42
- Assonet 41
- Berkley 41
- Dighton 41
- Rehoboth 41
- Saugus 41
- Rochester 40
- Seekonk 40
- Sheffield 40
- West Wareham 40
- Ocean Grove 39
- Provincetown 39
- Wareham Center 39
- Weweantic 39
- White Island Shores 39
- Acushnet Center 38
- Andover 38
- Easthampton 38
- Fall River 38
- Lynn 38
- Onset 38
- Sagamore 38
- Barre 37
- Buzzards Bay 37
- Marion 37
- Marion Center 37
- North Westport 37
- Mattapoisett 36
- Mattapoisett Center 36
- Monument Beach 36
- North Adams 36
- Roxbury 36
- Smith Mills 36
- Bliss Corner 35
- East Sandwich 35
- Head of Westport 35
- Holyoke 35
- New Bedford 35
- Pocasset 35
- Springfield 35
- Truro 35
- Woburn 35
- Barnstable 34
- Brockton 34
- Forestdale 34
- Great Barrington 34
- North Falmouth 34
- Northampton 34
- Quincy 34
- Ware 34
- Wellfleet 34
- Amesbury 33
- Aquinnah 33
- Chicopee 33
- Fairhaven 33
- Mashpee 33
- Melrose 33
- North Reading 33
- West Barnstable 33
- West Falmouth 33
- Williamstown 33
- Cotuit 32
- East Falmouth 32
- Marstons Mills 32
- North Chelmsford 32
- Pittsfield 32
- Teaticket 32
- Worcester 32
- Amherst 31
- Ayer 31
- Chelmsford 31
- Chelsea 31
- Greenfield 31
- Maynard 31
- Osterville 31
- Sandwich 31
- Vineyard Haven 31
- West Tisbury 31
- Centerville 30
- Dennis 30
- Norwell 30
- Somerville 30
- Wakefield 30
- Westfield 30
- Hingham 29
- Hyannis 29
- Medford 29
- Shrewsbury 29
- Stow 29
- West Bridgewater 29
- Yarmouth Port 29
- Arlington 28
- Bedford 28
- Brookline 28
- East Dennis 28
- Merrimac 28
- North Eastham 28
- West Yarmouth 28
- Yarmouth 28
- Brewster 27
- Eastham 27
- Lancaster 27
- Milford 27
- Billerica 26
- Carlisle 26
- Lawrence 26
- Northwest Harwich 26
- South Dennis 26
- South Yarmouth 26
- Wellesley 26
- West Dennis 26
- Dennis Port 25
- Harwich 25
- Harwich Center 25
- Harwich Port 25
- Holden 25
- Lexington 25
- Orleans 25
- Rowley 25
- Uxbridge 25
- Weston 25
- Boston 24
- Cambridge 24
- East Harwich 24
- Medfield 24
- Newton 24
- Swampscott 24
- Pepperell 23
- Hanson 22
- Milton 22
- Waltham 22
- Weymouth 22
- Bellingham 21
- Natick 21
- Sherborn 21
- West Chatham 21
- Attleboro 20
- Braintree 20
- Salem 20
- Longmeadow 19
- Plymouth 19
- Sharon 19
- Southborough 19
- Templeton 19
- Concord 18
- Falmouth 18
- Peabody 18
- Sunderland 18
- Buckland 17
- Oak Bluffs 17
- Shelburne Falls 17
- Acton 16
- Bourne 16
- Marblehead 16
- Northborough 16
- East Longmeadow 15
- Needham 15
- New Marlborough 15
- Edgartown 14
- Harvard 14
- Nantucket 14
- Oxford 14
- Gill 13
- Westwood 13
- Somerset 12
- Dracut 11
- Hanover 10
- Middleborough 10
- Townsend 10
- Freetown 8
- Scituate 8
- Holbrook 7
- Acushnet 6
- Swansea 4
- Chatham 0
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AQI US, Metric