Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 11:54, Aug 21
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Wildfires in New Hampshire
Real-time information
Active fires
--
Learn more about global air quality
Which is the most polluted city in New Hampshire?
- Antrim60
- Bennington60
- Cheshire60
- Deering60
- Dublin60
- Fitzwilliam60
- Francestown60
- Greenville60
- Harrisville60
- Hinsdale60
- Hollis60
- Jaffrey60
- Klondike Corner60
- Lyndeborough60
- Marlborough60
- Mason60
- Merrimack60
- Milford60
- New Boston60
- New Ipswich60
- Rindge60
- Swanzey60
- Temple60
- Weare60
- West Swanzey60
- Wilton60
- Winchester60
- East Merrimack59
- Goffstown59
- Henniker59
- Hudson59
- Litchfield59
- Pinardville59
- Walpole59
- Allenstown58
- Alton58
- Atkinson58
- Auburn58
- Boscawen58
- Bradford58
- Brentwood58
- Candia58
- Charlestown58
- Chester58
- Chichester58
- Concord58
- Contoocook58
- Danville58
- Derry58
- Dunbarton58
- Durham58
- East Kingston58
- Epping58
- Epsom58
- Farmington58
- Fremont58
- Gilmanton58
- Hampstead58
- Hampton58
- Hopkinton58
- Kensington58
- Kingston58
- Lee58
- Lempster58
- Loudon58
- Madbury58
- Milton58
- New Castle58
- Newfields58
- Newmarket58
- North Hampton58
- Northfield58
- Northwood58
- Nottingham58
- Pembroke58
- Pittsfield58
- Plaistow58
- Portsmouth58
- Raymond58
- Rochester58
- Rockingham58
- Rollinsford58
- Salisbury58
- Sandown58
- Somersworth58
- South Hooksett58
- Strafford58
- Stratham58
- Suncook58
- Warner58
- Webster58
- Windham58
- Alexandria57
- Andover57
- Ashland57
- Belknap57
- Belmont57
- Blodgett Landing57
- Bristol57
- Carroll57
- Claremont57
- Danbury57
- Enfield57
- Franklin57
- Freedom57
- Grantham57
- Hampton Beach57
- Hill57
- Holderness57
- Lebanon57
- Lyme57
- Madison57
- Moultonborough57
- New London57
- Newbury57
- Newport57
- North Conway57
- Ossipee57
- Plymouth57
- Rumney57
- Rye57
- Seabrook57
- Springfield57
- Sullivan57
- Tamworth57
- Thornton57
- Tilton57
- Tilton Northfield57
- Tuftonboro57
- Wakefield57
- Wilmot57
- Wolfeboro57
- Colebrook56
- Dummer56
- Gorham56
- Greens56
- Groveton56
- Haverhill56
- Hooksett56
- Jefferson56
- Lancaster56
- Littleton56
- Milan56
- Stratford56
- Whitefield56
- Woodsville56
- Lincoln55
- Warren53
- Exeter52
- Dover51
- Newton49
- Manchester48
- Amherst46
- Effingham44
- Laconia43
- Nashua42
- New Hampton42
- Center Harbor40
- Hillsborough40
- Pelham39
- Brookline37
- Gilford37
- Meredith37
- Sutton37
- Hanover35
- Keene35
- Barnstead34
- Londonderry34
- Peterborough34
- Bethlehem33
- Canterbury33
- Bow32
- Campton32
- Chesterfield31
- Woodstock30
- Alstead29
- Hampton Falls29
- Pittsburg29
- Sandwich29
- Troy28
- Salem27
- Franconia26
- Barrington22
- Randolph22
- Conway21
- Grafton County18
- Berlin15
- Northumberland3
