Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 20:37, Nov 05
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?
- Center Harbor56
- Peterborough33
- Londonderry30
- Portsmouth28
- Colebrook24
- Dover22
- Effingham22
- Hooksett22
- Stratford21
- East Merrimack20
- Greenville20
- Hollis20
- Hudson20
- Keene20
- Litchfield20
- Mason20
- Merrimack20
- Milford20
- New Ipswich20
- Pembroke20
- Temple20
- Windham20
- Allenstown19
- Atkinson19
- Auburn19
- Brentwood19
- Candia19
- Chester19
- Danville19
- Derry19
- Dummer19
- Durham19
- East Kingston19
- Epping19
- Farmington19
- Fitzwilliam19
- Fremont19
- Goffstown19
- Groveton19
- Hampstead19
- Jaffrey19
- Kensington19
- Kingston19
- Klondike Corner19
- Lee19
- Lyndeborough19
- Madbury19
- Milton19
- New Boston19
- Newfields19
- Newmarket19
- Northwood19
- Nottingham19
- Pinardville19
- Plaistow19
- Raymond19
- Rindge19
- Rochester19
- Rockingham19
- Rollinsford19
- Sandown19
- Somersworth19
- South Hooksett19
- Strafford19
- Stratham19
- Wilton19
- Berlin18
- Dublin18
- Dunbarton18
- Epsom18
- Gorham18
- Hampton18
- Jefferson18
- Laconia18
- Lancaster18
- Milan18
- North Hampton18
- Pittsfield18
- Suncook18
- Troy18
- Wakefield18
- Alexandria17
- Alton17
- Andover17
- Antrim17
- Ashland17
- Belknap17
- Belmont17
- Bennington17
- Bethlehem17
- Blodgett Landing17
- Boscawen17
- Bradford17
- Bristol17
- Carroll17
- Charlestown17
- Cheshire17
- Chichester17
- Claremont17
- Concord17
- Contoocook17
- Danbury17
- Deering17
- Enfield17
- Francestown17
- Franklin17
- Freedom17
- Gilmanton17
- Grantham17
- Greens17
- Hampton Beach17
- Hanover17
- Harrisville17
- Haverhill17
- Henniker17
- Hill17
- Hinsdale17
- Holderness17
- Hopkinton17
- Lebanon17
- Lempster17
- Littleton17
- Loudon17
- Lyme17
- Madison17
- Marlborough17
- Moultonborough17
- New Castle17
- New Hampton17
- New London17
- Newbury17
- Newport17
- North Conway17
- Northfield17
- Ossipee17
- Plymouth17
- Rumney17
- Rye17
- Salisbury17
- Seabrook17
- Springfield17
- Sullivan17
- Swanzey17
- Tamworth17
- Thornton17
- Tilton17
- Tilton Northfield17
- Tuftonboro17
- Walpole17
- Warner17
- Weare17
- Webster17
- West Swanzey17
- Whitefield17
- Wilmot17
- Winchester17
- Wolfeboro17
- Woodsville17
- Chesterfield16
- Sandwich15
- Woodstock15
- Canterbury14
- Campton13
- Meredith12
- Grafton County11
- Manchester11
- Randolph11
- Sutton11
- Lincoln8
- Nashua8
- Salem8
- Bow7
- Gilford7
- Newton7
- Pelham7
- Barrington6
- Brookline6
- Exeter6
- Warren6
- Franconia5
- Conway4
- Hillsborough4
- Barnstead3
- Pittsburg3
- Hampton Falls2
- Northumberland1
- Amherst0
