Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 08:06, Nov 11
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?
- Atkinson27
- Peterborough27
- Plaistow27
- Danville26
- Derry26
- East Kingston26
- Hampstead26
- Hudson26
- Keene26
- Kensington26
- Kingston26
- Portsmouth26
- Seabrook26
- Windham26
- Brentwood25
- Fremont25
- Hampton25
- Hampton Beach25
- Londonderry25
- North Hampton25
- Rockingham25
- Sandown25
- Chester24
- East Merrimack24
- Epping24
- Hollis24
- Litchfield24
- Merrimack24
- New Castle24
- Newfields24
- Newmarket24
- Raymond24
- Rye24
- Stratham24
- Auburn23
- Durham23
- Exeter23
- Lee23
- Lincoln23
- Madbury23
- Mason23
- Nottingham23
- Warren23
- Woodstock23
- Candia22
- Greenville22
- Milford22
- New Ipswich22
- Pinardville22
- Rollinsford22
- Somersworth22
- South Hooksett22
- Wilton22
- Goffstown21
- Klondike Corner21
- Lyndeborough21
- New Boston21
- Rindge21
- Rochester21
- Strafford21
- Temple21
- Allenstown20
- Northwood20
- Dunbarton19
- Epsom19
- Farmington19
- Fitzwilliam19
- Francestown19
- Jaffrey19
- Pittsfield19
- Suncook19
- Weare19
- Bennington18
- Chichester18
- Dublin18
- Effingham18
- Hooksett18
- Marlborough18
- Milton18
- Troy18
- Concord17
- Deering17
- Harrisville17
- Hopkinton17
- Loudon17
- Swanzey17
- Winchester17
- Antrim16
- Cheshire16
- Contoocook16
- Henniker16
- Hinsdale16
- West Swanzey16
- Gilmanton15
- Alton14
- Boscawen14
- Wakefield14
- Webster14
- Belknap13
- Bradford13
- Northfield13
- Warner13
- Belmont12
- Conway12
- Freedom12
- Ossipee12
- Salisbury12
- Tilton12
- Tilton Northfield12
- Tuftonboro12
- Walpole12
- Wolfeboro12
- Carroll11
- Franklin11
- Lempster11
- Madison11
- Moultonborough11
- Newbury11
- North Conway11
- Nashua10
- Tamworth10
- Andover9
- Blodgett Landing9
- Brookline9
- Charlestown9
- Chesterfield9
- Franconia9
- Greens9
- New London9
- Sutton9
- Wilmot9
- Berlin8
- Bristol8
- Danbury8
- Dummer8
- Gorham8
- Hill8
- Holderness8
- Milan8
- Newport8
- Pembroke8
- Sullivan8
- Alexandria7
- Ashland7
- Center Harbor7
- Claremont7
- Colebrook7
- Enfield7
- Grantham7
- Groveton7
- Jefferson7
- Manchester7
- Meredith7
- New Hampton7
- Newton7
- Pelham7
- Plymouth7
- Rumney7
- Springfield7
- Stratford7
- Thornton7
- Bethlehem6
- Campton6
- Dover6
- Grafton County6
- Haverhill6
- Lancaster6
- Lebanon6
- Littleton6
- Lyme6
- Sandwich6
- Whitefield6
- Woodsville6
- Barnstead5
- Barrington4
- Bow4
- Hampton Falls4
- Salem4
- Hanover3
- Hillsborough3
- Laconia3
- Northumberland3
- Pittsburg3
- Alstead2
- Gilford2
- Canterbury1
- Randolph1
- Amherst0
