Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 11:18, Nov 13
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Wildfires in New Hampshire
Real-time information
Active fires
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Learn more about global air quality
Which is the most polluted city in New Hampshire?
- Pittsburg50
- Salem43
- Portsmouth28
- Peterborough25
- Hooksett23
- Londonderry23
- Woodstock19
- Colebrook18
- Keene18
- Sutton18
- Franconia17
- Stratford17
- Groveton16
- Dummer15
- Lancaster15
- Littleton14
- Whitefield14
- Berlin13
- Bethlehem13
- Dover13
- Haverhill13
- Jefferson13
- Laconia13
- Meredith13
- Milan13
- Pembroke13
- Woodsville13
- Center Harbor12
- Conway12
- Gorham12
- Hillsborough12
- Lebanon12
- Lyme12
- Randolph12
- Alexandria11
- Andover11
- Antrim11
- Ashland11
- Auburn11
- Bennington11
- Blodgett Landing11
- Boscawen11
- Bradford11
- Bristol11
- Charlestown11
- Cheshire11
- Chesterfield11
- Claremont11
- Contoocook11
- Danbury11
- Deering11
- Derry11
- Dublin11
- Dunbarton11
- East Merrimack11
- Enfield11
- Exeter11
- Fitzwilliam11
- Francestown11
- Franklin11
- Goffstown11
- Grantham11
- Greens11
- Greenville11
- Harrisville11
- Henniker11
- Hill11
- Hinsdale11
- Hollis11
- Hopkinton11
- Hudson11
- Jaffrey11
- Klondike Corner11
- Lempster11
- Lincoln11
- Litchfield11
- Lyndeborough11
- Marlborough11
- Mason11
- Merrimack11
- Milford11
- New Boston11
- New Ipswich11
- New London11
- Newbury11
- Newport11
- Pinardville11
- Plymouth11
- Rindge11
- Rumney11
- Salisbury11
- South Hooksett11
- Springfield11
- Sullivan11
- Swanzey11
- Temple11
- Thornton11
- Troy11
- Walpole11
- Warner11
- Warren11
- Weare11
- Webster11
- West Swanzey11
- Wilmot11
- Wilton11
- Winchester11
- Windham11
- Candia10
- Chester10
- Gilford10
- Grafton County10
- Holderness10
- Sandwich10
- Tilton Northfield10
- Allenstown9
- Alton9
- Atkinson9
- Barnstead9
- Belknap9
- Belmont9
- Brentwood9
- Carroll9
- Chichester9
- Concord9
- Danville9
- East Kingston9
- Epping9
- Epsom9
- Farmington9
- Freedom9
- Fremont9
- Gilmanton9
- Hampstead9
- Kensington9
- Kingston9
- Lee9
- Loudon9
- Madbury9
- Madison9
- Milton9
- Moultonborough9
- New Hampton9
- Newfields9
- Newmarket9
- North Conway9
- Northfield9
- Northumberland9
- Northwood9
- Nottingham9
- Ossipee9
- Pittsfield9
- Plaistow9
- Raymond9
- Rochester9
- Rockingham9
- Sandown9
- Strafford9
- Suncook9
- Tamworth9
- Tilton9
- Tuftonboro9
- Wakefield9
- Wolfeboro9
- Durham8
- Hampton8
- Hampton Beach8
- Hanover8
- Manchester8
- New Castle8
- North Hampton8
- Rollinsford8
- Rye8
- Seabrook8
- Somersworth8
- Stratham8
- Campton7
- Canterbury7
- Nashua7
- Brookline6
- Effingham6
- Barrington5
- Newton5
- Alstead2
- Bow2
- Hampton Falls2
- Pelham1
- Amherst0
