Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 04:54, Jun 12
1 stations sponsored by The Foundation for Clean Air
1 stations sponsored by The Foundation for Clean Air
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Learn more about global air quality
Which is the most polluted city in New Hampshire?
- Peterborough77
- Portsmouth60
- Alexandria56
- Allenstown56
- Alton56
- Andover56
- Antrim56
- Auburn56
- Belknap56
- Belmont56
- Bennington56
- Blodgett Landing56
- Boscawen56
- Bradford56
- Brentwood56
- Bristol56
- Candia56
- Charlestown56
- Cheshire56
- Chester56
- Chichester56
- Claremont56
- Concord56
- Contoocook56
- Danbury56
- Deering56
- Derry56
- Dublin56
- Dunbarton56
- East Merrimack56
- Enfield56
- Epping56
- Epsom56
- Farmington56
- Fitzwilliam56
- Francestown56
- Franklin56
- Fremont56
- Gilmanton56
- Goffstown56
- Grantham56
- Greenville56
- Hanover56
- Harrisville56
- Henniker56
- Hill56
- Hinsdale56
- Hollis56
- Hopkinton56
- Hudson56
- Jaffrey56
- Klondike Corner56
- Lebanon56
- Lee56
- Lempster56
- Litchfield56
- Loudon56
- Lyndeborough56
- Marlborough56
- Mason56
- Merrimack56
- Milford56
- Milton56
- Moultonborough56
- New Boston56
- New Ipswich56
- New London56
- Newbury56
- Newport56
- Northfield56
- Northwood56
- Nottingham56
- Ossipee56
- Pinardville56
- Pittsfield56
- Raymond56
- Rindge56
- Rochester56
- Salisbury56
- Sandown56
- South Hooksett56
- Springfield56
- Strafford56
- Sullivan56
- Suncook56
- Swanzey56
- Temple56
- Tilton56
- Tilton Northfield56
- Troy56
- Tuftonboro56
- Wakefield56
- Walpole56
- Warner56
- Weare56
- Webster56
- West Swanzey56
- Wilmot56
- Wilton56
- Winchester56
- Wolfeboro56
- Ashland55
- Atkinson55
- Berlin55
- Bethlehem55
- Carroll55
- Colebrook55
- Danville55
- Dover55
- Dummer55
- Durham55
- Freedom55
- Gorham55
- Greens55
- Groveton55
- Hampstead55
- Haverhill55
- Holderness55
- Jefferson55
- Kingston55
- Lancaster55
- Littleton55
- Lyme55
- Madbury55
- Madison55
- Milan55
- Newfields55
- Newmarket55
- North Conway55
- Pelham55
- Plymouth55
- Rockingham55
- Rollinsford55
- Rumney55
- Somersworth55
- Stratford55
- Tamworth55
- Thornton55
- Whitefield55
- Windham55
- Woodsville55
- Barrington54
- East Kingston54
- Newton54
- Plaistow54
- Stratham54
- Effingham53
- Hooksett53
- Kensington53
- Hampton52
- Hampton Falls52
- North Hampton52
- Chesterfield51
- Nashua51
- New Castle51
- Seabrook51
- Hampton Beach50
- Rye50
- Manchester48
- Salem48
- Keene46
- Lincoln46
- Warren45
- Bow43
- Exeter43
- Londonderry42
- Barnstead41
- Gilford41
- Sutton41
- Pembroke38
- Hillsborough37
- Laconia37
- Pittsburg36
- Canterbury35
- Meredith34
- Brookline33
- Campton33
- New Hampton30
- Alstead29
- Amherst28
- Center Harbor28
- Grafton County26
- Franconia25
- Woodstock22
- Conway21
- Randolph21
- Sandwich19
- Northumberland13
