Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 05:10, Sep 19
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?
- Exeter34
- Laconia30
- Peterborough30
- Londonderry28
- Effingham26
- Portsmouth26
- Nashua25
- Warren24
- Lincoln22
- Keene21
- Woodstock21
- Dover19
- Hollis16
- Hudson16
- Litchfield16
- Mason16
- Windham16
- Atkinson15
- Auburn15
- Cheshire15
- Chester15
- Derry15
- Dublin15
- East Merrimack15
- Fitzwilliam15
- Greenville15
- Hampstead15
- Harrisville15
- Hinsdale15
- Jaffrey15
- Klondike Corner15
- Lyndeborough15
- Marlborough15
- Meredith15
- Merrimack15
- Milford15
- New Ipswich15
- Plaistow15
- Rindge15
- Sandown15
- Sutton15
- Swanzey15
- Temple15
- West Swanzey15
- Wilton15
- Winchester15
- Allenstown14
- Antrim14
- Bennington14
- Bradford14
- Brentwood14
- Brookline14
- Candia14
- Center Harbor14
- Chichester14
- Concord14
- Contoocook14
- Danville14
- Deering14
- Dunbarton14
- East Kingston14
- Epping14
- Epsom14
- Francestown14
- Fremont14
- Gilford14
- Goffstown14
- Hampton14
- Hampton Beach14
- Hanover14
- Henniker14
- Hopkinton14
- Kensington14
- Kingston14
- Lempster14
- Loudon14
- Manchester14
- New Boston14
- Newton14
- North Hampton14
- Northwood14
- Nottingham14
- Pembroke14
- Pinardville14
- Pittsfield14
- Raymond14
- Rockingham14
- Seabrook14
- South Hooksett14
- Suncook14
- Walpole14
- Warner14
- Weare14
- Webster14
- Alexandria13
- Alton13
- Andover13
- Ashland13
- Barnstead13
- Belknap13
- Belmont13
- Blodgett Landing13
- Boscawen13
- Bristol13
- Charlestown13
- Claremont13
- Danbury13
- Durham13
- Enfield13
- Farmington13
- Franklin13
- Gilmanton13
- Grantham13
- Hill13
- Holderness13
- Lebanon13
- Lee13
- Lyme13
- Madbury13
- Milton13
- Moultonborough13
- New Castle13
- New Hampton13
- New London13
- Newbury13
- Newfields13
- Newmarket13
- Newport13
- Northfield13
- Ossipee13
- Pelham13
- Plymouth13
- Rochester13
- Rollinsford13
- Rumney13
- Rye13
- Salem13
- Salisbury13
- Somersworth13
- Springfield13
- Strafford13
- Stratham13
- Sullivan13
- Tilton13
- Tilton Northfield13
- Tuftonboro13
- Wakefield13
- Wilmot13
- Wolfeboro13
- Bow12
- Carroll12
- Chesterfield12
- Freedom12
- Greens12
- Haverhill12
- Littleton12
- Madison12
- North Conway12
- Tamworth12
- Thornton12
- Woodsville12
- Bethlehem11
- Campton11
- Gorham11
- Whitefield11
- Conway9
- Franconia9
- Jefferson9
- Alstead8
- Barrington7
- Canterbury7
- Grafton County7
- Hampton Falls7
- Colebrook6
- Dummer6
- Groveton6
- Hillsborough6
- Hooksett6
- Lancaster6
- Milan6
- Sandwich6
- Stratford6
- Troy6
- Pittsburg3
- Randolph2
- Amherst0
- Northumberland0
