Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 12:36, Sep 27
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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Which is the most polluted city in New Hampshire?
- Woodstock38
- Peterborough33
- Laconia32
- Keene31
- Londonderry31
- Portsmouth29
- Nashua28
- Effingham26
- Hooksett24
- Pittsburg15
- Hanover8
- Bethlehem7
- Exeter7
- Warren7
- Alexandria6
- Allenstown6
- Alton6
- Andover6
- Antrim6
- Ashland6
- Atkinson6
- Auburn6
- Belknap6
- Belmont6
- Bennington6
- Berlin6
- Blodgett Landing6
- Boscawen6
- Bradford6
- Brentwood6
- Bristol6
- Candia6
- Carroll6
- Charlestown6
- Cheshire6
- Chester6
- Chichester6
- Claremont6
- Colebrook6
- Concord6
- Contoocook6
- Danbury6
- Danville6
- Deering6
- Derry6
- Dublin6
- Dummer6
- Dunbarton6
- Durham6
- East Kingston6
- East Merrimack6
- Enfield6
- Epping6
- Epsom6
- Farmington6
- Fitzwilliam6
- Francestown6
- Franklin6
- Freedom6
- Fremont6
- Gilmanton6
- Goffstown6
- Gorham6
- Grantham6
- Greens6
- Greenville6
- Groveton6
- Hampstead6
- Hampton6
- Hampton Beach6
- Hampton Falls6
- Harrisville6
- Haverhill6
- Henniker6
- Hill6
- Hinsdale6
- Holderness6
- Hollis6
- Hopkinton6
- Hudson6
- Jaffrey6
- Jefferson6
- Kensington6
- Kingston6
- Klondike Corner6
- Lancaster6
- Lebanon6
- Lee6
- Lempster6
- Lincoln6
- Litchfield6
- Littleton6
- Loudon6
- Lyme6
- Lyndeborough6
- Madbury6
- Madison6
- Marlborough6
- Mason6
- Merrimack6
- Milan6
- Milford6
- Milton6
- Moultonborough6
- New Boston6
- New Castle6
- New Hampton6
- New Ipswich6
- New London6
- Newbury6
- Newfields6
- Newmarket6
- Newport6
- Newton6
- North Conway6
- North Hampton6
- Northfield6
- Northwood6
- Nottingham6
- Ossipee6
- Pelham6
- Pinardville6
- Pittsfield6
- Plaistow6
- Plymouth6
- Raymond6
- Rindge6
- Rochester6
- Rockingham6
- Rollinsford6
- Rumney6
- Rye6
- Salem6
- Salisbury6
- Sandown6
- Seabrook6
- Somersworth6
- South Hooksett6
- Springfield6
- Strafford6
- Stratford6
- Stratham6
- Sullivan6
- Suncook6
- Swanzey6
- Tamworth6
- Temple6
- Thornton6
- Tilton6
- Tilton Northfield6
- Tuftonboro6
- Wakefield6
- Walpole6
- Warner6
- Weare6
- Webster6
- West Swanzey6
- Whitefield6
- Wilmot6
- Wilton6
- Winchester6
- Windham6
- Wolfeboro6
- Woodsville6
- Sutton5
- Canterbury4
- Center Harbor4
- Franconia4
- Grafton County4
- Alstead3
- Sandwich3
- Troy3
- Chesterfield2
- Conway2
- Hillsborough2
- Bow1
- Brookline1
- Campton1
- Dover1
- Manchester1
- Meredith1
- Northumberland1
- Pembroke1
- Amherst0
- Barnstead0
- Barrington0
- Gilford0
- Randolph0
