Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 18:21, May 28
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?
- Laconia32
- Peterborough30
- Keene29
- Londonderry29
- Woodstock29
- Nashua28
- Alexandria27
- Allenstown27
- Andover27
- Antrim27
- Ashland27
- Auburn27
- Belknap27
- Belmont27
- Bennington27
- Blodgett Landing27
- Boscawen27
- Bradford27
- Bristol27
- Candia27
- Charlestown27
- Cheshire27
- Chester27
- Chichester27
- Claremont27
- Concord27
- Contoocook27
- Danbury27
- Deering27
- Derry27
- Dublin27
- Dunbarton27
- East Merrimack27
- Enfield27
- Epsom27
- Fitzwilliam27
- Francestown27
- Franklin27
- Gilford27
- Gilmanton27
- Goffstown27
- Grantham27
- Greenville27
- Hanover27
- Harrisville27
- Haverhill27
- Henniker27
- Hill27
- Hinsdale27
- Holderness27
- Hollis27
- Hopkinton27
- Hudson27
- Jaffrey27
- Klondike Corner27
- Lebanon27
- Lempster27
- Litchfield27
- Loudon27
- Lyme27
- Lyndeborough27
- Marlborough27
- Mason27
- Merrimack27
- Milford27
- New Boston27
- New Ipswich27
- New London27
- Newbury27
- Newport27
- Northfield27
- Pelham27
- Pinardville27
- Pittsfield27
- Plymouth27
- Raymond27
- Rindge27
- Rumney27
- Salisbury27
- South Hooksett27
- Springfield27
- Sullivan27
- Suncook27
- Swanzey27
- Temple27
- Thornton27
- Tilton27
- Tilton Northfield27
- Troy27
- Walpole27
- Warner27
- Weare27
- Webster27
- West Swanzey27
- Wilmot27
- Wilton27
- Winchester27
- Windham27
- Woodsville27
- Alton26
- Atkinson26
- Danville26
- Exeter26
- Fremont26
- Hampstead26
- Lincoln26
- Littleton26
- Moultonborough26
- Northwood26
- Nottingham26
- Plaistow26
- Portsmouth26
- Sandown26
- Tuftonboro26
- Warren26
- Center Harbor25
- New Hampton25
- Rockingham25
- Epping24
- Kingston24
- Tamworth24
- Whitefield24
- Berlin23
- Carroll23
- Colebrook23
- Durham23
- East Kingston23
- Farmington23
- Freedom23
- Greens23
- Groveton23
- Jefferson23
- Kensington23
- Lancaster23
- Lee23
- Madbury23
- Madison23
- Milton23
- Newfields23
- Newmarket23
- North Conway23
- Ossipee23
- Rochester23
- Strafford23
- Stratford23
- Wakefield23
- Wolfeboro23
- Bethlehem22
- Dummer22
- Gorham22
- Grafton County22
- Hampton22
- Hampton Beach22
- Meredith22
- Milan22
- North Hampton22
- Rollinsford22
- Seabrook22
- Somersworth22
- Stratham22
- Barnstead21
- Brentwood21
- Sandwich21
- Barrington20
- Canterbury20
- Dover20
- Sutton20
- Chesterfield19
- Franconia19
- New Castle19
- Rye19
- Bow18
- Manchester18
- Pembroke18
- Salem18
- Brookline17
- Campton17
- Newton17
- Hillsborough16
- Conway15
- Randolph14
- Alstead13
- Amherst13
- Hampton Falls13
- Northumberland12
- Hooksett11
- Pittsburg9
- Effingham6
