Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 10:44, Nov 10
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Wildfires in New Hampshire
Real-time information
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Which is the most polluted city in New Hampshire?
- Portsmouth23
- Dover22
- Hooksett21
- Londonderry19
- Effingham18
- Newton18
- Peterborough17
- Chesterfield11
- Exeter11
- Keene11
- Lincoln11
- Warren11
- Atkinson10
- Brentwood10
- Danville10
- Durham10
- East Kingston10
- Hampton10
- Hampton Beach10
- Kensington10
- Kingston10
- New Castle10
- Newfields10
- Newmarket10
- North Hampton10
- Plaistow10
- Rockingham10
- Rye10
- Seabrook10
- Stratham10
- Alexandria9
- Allenstown9
- Alton9
- Andover9
- Antrim9
- Ashland9
- Auburn9
- Belknap9
- Belmont9
- Bennington9
- Berlin9
- Bethlehem9
- Blodgett Landing9
- Boscawen9
- Bradford9
- Bristol9
- Candia9
- Carroll9
- Charlestown9
- Cheshire9
- Chester9
- Chichester9
- Claremont9
- Colebrook9
- Concord9
- Contoocook9
- Danbury9
- Deering9
- Derry9
- Dublin9
- Dummer9
- Dunbarton9
- East Merrimack9
- Enfield9
- Epping9
- Epsom9
- Farmington9
- Fitzwilliam9
- Francestown9
- Franklin9
- Freedom9
- Fremont9
- Gilmanton9
- Goffstown9
- Gorham9
- Grantham9
- Greens9
- Greenville9
- Groveton9
- Hampstead9
- Harrisville9
- Henniker9
- Hill9
- Hinsdale9
- Holderness9
- Hollis9
- Hopkinton9
- Hudson9
- Jaffrey9
- Jefferson9
- Klondike Corner9
- Lancaster9
- Lebanon9
- Lee9
- Lempster9
- Litchfield9
- Littleton9
- Loudon9
- Lyme9
- Lyndeborough9
- Madbury9
- Madison9
- Marlborough9
- Mason9
- Merrimack9
- Milan9
- Milford9
- Milton9
- Moultonborough9
- New Boston9
- New Ipswich9
- New London9
- Newbury9
- Newport9
- North Conway9
- Northfield9
- Northumberland9
- Northwood9
- Nottingham9
- Ossipee9
- Pinardville9
- Pittsfield9
- Plymouth9
- Raymond9
- Rindge9
- Rochester9
- Rollinsford9
- Rumney9
- Salisbury9
- Sandown9
- Somersworth9
- South Hooksett9
- Springfield9
- Strafford9
- Stratford9
- Sullivan9
- Suncook9
- Swanzey9
- Tamworth9
- Temple9
- Thornton9
- Tilton9
- Tilton Northfield9
- Troy9
- Tuftonboro9
- Wakefield9
- Walpole9
- Warner9
- Weare9
- Webster9
- West Swanzey9
- Whitefield9
- Wilmot9
- Wilton9
- Winchester9
- Windham9
- Wolfeboro9
- Canterbury8
- Center Harbor8
- Franconia8
- Grafton County8
- Haverhill8
- New Hampton8
- Pelham8
- Pembroke8
- Sutton8
- Woodstock8
- Woodsville8
- Conway7
- Meredith7
- Sandwich7
- Barnstead6
- Barrington6
- Bow6
- Brookline6
- Laconia6
- Manchester6
- Nashua6
- Pittsburg6
- Gilford5
- Hanover5
- Hillsborough5
- Campton4
- Alstead3
- Salem3
- Hampton Falls2
- Randolph2
- Amherst0
