Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 05:03, Sep 22
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Wildfires in New Hampshire
Real-time information
Active fires
--
Learn more about global air quality
Which is the most polluted city in New Hampshire?
- Hanover42
- Newton33
- Berlin32
- Portsmouth28
- Rye25
- Londonderry24
- Nashua23
- Peterborough22
- Effingham21
- Keene19
- Laconia19
- Pelham18
- Pembroke17
- Woodstock17
- Barrington16
- Dover16
- New Hampton15
- Barnstead14
- Hampton14
- Hampton Beach14
- New Castle14
- North Hampton14
- Salem14
- Seabrook14
- Sutton14
- Allenstown13
- Alton13
- Andover13
- Antrim13
- Atkinson13
- Auburn13
- Belknap13
- Belmont13
- Bennington13
- Boscawen13
- Bradford13
- Brentwood13
- Candia13
- Carroll13
- Cheshire13
- Chester13
- Chesterfield13
- Chichester13
- Concord13
- Contoocook13
- Danville13
- Deering13
- Derry13
- Dublin13
- Dunbarton13
- Durham13
- East Kingston13
- East Merrimack13
- Epping13
- Epsom13
- Exeter13
- Farmington13
- Fitzwilliam13
- Francestown13
- Franklin13
- Freedom13
- Fremont13
- Gilmanton13
- Goffstown13
- Greenville13
- Hampstead13
- Harrisville13
- Henniker13
- Hinsdale13
- Holderness13
- Hollis13
- Hopkinton13
- Hudson13
- Jaffrey13
- Kensington13
- Kingston13
- Klondike Corner13
- Lee13
- Lincoln13
- Litchfield13
- Loudon13
- Lyndeborough13
- Madbury13
- Madison13
- Marlborough13
- Mason13
- Merrimack13
- Milford13
- Milton13
- Moultonborough13
- New Boston13
- New Ipswich13
- Newfields13
- Newmarket13
- North Conway13
- Northfield13
- Northwood13
- Nottingham13
- Ossipee13
- Pinardville13
- Pittsfield13
- Plaistow13
- Raymond13
- Rindge13
- Rochester13
- Rockingham13
- Rollinsford13
- Salisbury13
- Sandown13
- Somersworth13
- South Hooksett13
- Strafford13
- Stratham13
- Suncook13
- Swanzey13
- Tamworth13
- Temple13
- Tilton13
- Tilton Northfield13
- Tuftonboro13
- Wakefield13
- Walpole13
- Warner13
- Warren13
- Weare13
- Webster13
- West Swanzey13
- Wilton13
- Winchester13
- Windham13
- Wolfeboro13
- Ashland12
- Bethlehem12
- Blodgett Landing12
- Bristol12
- Brookline12
- Canterbury12
- Charlestown12
- Danbury12
- Grafton County12
- Hill12
- Lempster12
- Newbury12
- Plymouth12
- Thornton12
- Wilmot12
- Alexandria11
- Claremont11
- Enfield11
- Franconia11
- Grantham11
- Greens11
- Hillsborough11
- Lebanon11
- Lyme11
- Meredith11
- New London11
- Newport11
- Rumney11
- Springfield11
- Sullivan11
- Alstead10
- Haverhill10
- Bow9
- Center Harbor9
- Gilford9
- Woodsville9
- Campton8
- Conway8
- Gorham8
- Hampton Falls7
- Littleton7
- Troy7
- Colebrook6
- Dummer6
- Groveton6
- Hooksett6
- Jefferson6
- Lancaster6
- Milan6
- Stratford6
- Whitefield6
- Randolph5
- Sandwich3
- Amherst0
- Northumberland0
