Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 23:33, Sep 28
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?
- Effingham24
- Hooksett24
- Portsmouth24
- Nashua22
- Peterborough22
- Londonderry21
- Laconia19
- Keene18
- Woodstock14
- Alexandria9
- Andover9
- Blodgett Landing9
- Danbury9
- Enfield9
- Grantham9
- Haverhill9
- Lebanon9
- Lyme9
- New London9
- Newbury9
- Newport9
- Springfield9
- Wilmot9
- Woodsville9
- Bethlehem8
- Bradford8
- Bristol8
- Claremont8
- Hill8
- Lempster8
- Plymouth8
- Rumney8
- Salisbury8
- Sullivan8
- Warner8
- Alstead7
- Antrim7
- Ashland7
- Belmont7
- Boscawen7
- Canterbury7
- Charlestown7
- Contoocook7
- Deering7
- Franklin7
- Henniker7
- Holderness7
- Hopkinton7
- Littleton7
- Northfield7
- Sutton7
- Thornton7
- Tilton7
- Tilton Northfield7
- Webster7
- Allenstown6
- Alton6
- Atkinson6
- Auburn6
- Barnstead6
- Belknap6
- Bennington6
- Berlin6
- Bow6
- Brentwood6
- Candia6
- Carroll6
- Cheshire6
- Chester6
- Chichester6
- Colebrook6
- Concord6
- Conway6
- Danville6
- Derry6
- Dublin6
- Dummer6
- Dunbarton6
- Durham6
- East Kingston6
- East Merrimack6
- Epping6
- Epsom6
- Exeter6
- Farmington6
- Fitzwilliam6
- Francestown6
- Freedom6
- Fremont6
- Gilford6
- Gilmanton6
- Goffstown6
- Gorham6
- Grafton County6
- Greens6
- Greenville6
- Groveton6
- Hampstead6
- Hampton6
- Hampton Beach6
- Hampton Falls6
- Harrisville6
- Hinsdale6
- Hollis6
- Hudson6
- Jaffrey6
- Jefferson6
- Kensington6
- Kingston6
- Klondike Corner6
- Lancaster6
- Lee6
- Lincoln6
- Litchfield6
- Loudon6
- Lyndeborough6
- Madbury6
- Madison6
- Marlborough6
- Mason6
- Merrimack6
- Milan6
- Milford6
- Milton6
- Moultonborough6
- New Boston6
- New Castle6
- New Hampton6
- New Ipswich6
- Newfields6
- Newmarket6
- North Conway6
- North Hampton6
- Northwood6
- Nottingham6
- Ossipee6
- Pelham6
- Pinardville6
- Pittsfield6
- Plaistow6
- Randolph6
- Raymond6
- Rindge6
- Rochester6
- Rockingham6
- Rollinsford6
- Rye6
- Sandown6
- Seabrook6
- Somersworth6
- South Hooksett6
- Strafford6
- Stratford6
- Stratham6
- Suncook6
- Swanzey6
- Tamworth6
- Temple6
- Troy6
- Tuftonboro6
- Wakefield6
- Walpole6
- Warren6
- Weare6
- West Swanzey6
- Whitefield6
- Wilton6
- Winchester6
- Windham6
- Wolfeboro6
- Chesterfield4
- Franconia4
- Amherst3
- Barrington3
- Hanover2
- Pembroke2
- Pittsburg2
- Campton1
- Center Harbor1
- Hillsborough1
- Meredith1
- Northumberland1
- Salem1
- Brookline0
- Dover0
- Manchester0
- Sandwich0
