Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 13:03, Oct 24
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?
- Portsmouth54
- Exeter43
- Lincoln42
- Warren40
- Barnstead39
- Hampton34
- Hampton Beach34
- Seabrook34
- Atkinson33
- Cheshire33
- Dublin33
- East Kingston33
- Fitzwilliam33
- Greenville33
- Hinsdale33
- Jaffrey33
- Marlborough33
- New Castle33
- New Ipswich33
- North Hampton33
- Plaistow33
- Rindge33
- Rye33
- Swanzey33
- West Swanzey33
- Winchester33
- Amherst32
- Antrim32
- Bennington32
- Danville32
- Derry32
- East Merrimack32
- Francestown32
- Hampstead32
- Harrisville32
- Hollis32
- Hudson32
- Kensington32
- Kingston32
- Klondike Corner32
- Litchfield32
- Lyndeborough32
- Mason32
- Merrimack32
- Milford32
- New Boston32
- Sandown32
- Stratham32
- Temple32
- Walpole32
- Wilton32
- Windham32
- Auburn31
- Blodgett Landing31
- Bradford31
- Charlestown31
- Chester31
- Claremont31
- Contoocook31
- Deering31
- Dunbarton31
- Goffstown31
- Henniker31
- Hopkinton31
- Lempster31
- New London31
- Newbury31
- Newport31
- Pinardville31
- Rockingham31
- South Hooksett31
- Sullivan31
- Warner31
- Weare31
- Boscawen30
- Brentwood30
- Candia30
- Grantham30
- Salisbury30
- Springfield30
- Suncook30
- Webster30
- Wilmot30
- Alexandria29
- Allenstown29
- Andover29
- Concord29
- Danbury29
- Enfield29
- Franklin29
- Fremont29
- Hanover29
- Hill29
- Lebanon29
- Lyme29
- Newfields29
- Raymond29
- Haverhill28
- Londonderry28
- Newmarket28
- Northfield28
- Tilton Northfield28
- Woodsville28
- Bristol27
- Rumney27
- Tilton27
- Epping26
- Sutton26
- Chichester25
- Durham25
- Epsom25
- Loudon25
- Nashua25
- Pembroke25
- Plymouth25
- Lee24
- Nottingham24
- Keene23
- Woodstock23
- Belmont22
- Madbury22
- Ashland21
- Barrington21
- Chesterfield21
- Gilford21
- Manchester21
- Northwood21
- Pittsfield21
- Randolph21
- Rollinsford21
- Somersworth21
- Belknap20
- Center Harbor20
- Gilmanton20
- Newton20
- Rochester20
- Strafford20
- Alton19
- Berlin19
- Bethlehem19
- Carroll19
- Colebrook19
- Dummer19
- Farmington19
- Franconia19
- Freedom19
- Gorham19
- Greens19
- Groveton19
- Holderness19
- Jefferson19
- Lancaster19
- Littleton19
- Madison19
- Milan19
- Milton19
- Moultonborough19
- North Conway19
- Ossipee19
- Pittsburg19
- Stratford19
- Tamworth19
- Thornton19
- Tuftonboro19
- Wakefield19
- Whitefield19
- Wolfeboro19
- Canterbury18
- Grafton County18
- Hampton Falls18
- Pelham18
- Salem18
- Alstead17
- Bow17
- New Hampton17
- Meredith16
- Sandwich16
- Hillsborough15
- Laconia15
- Brookline13
- Conway13
- Dover12
- Campton11
- Effingham11
- Hooksett11
- Troy8
- Peterborough4
