Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 21:12, Aug 20
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?
- Colebrook56
- Dummer55
- Groveton55
- Jefferson55
- Lancaster55
- Milan55
- Northumberland55
- Stratford55
- Whitefield55
- Littleton54
- New Hampton54
- Alexandria53
- Center Harbor53
- Haverhill53
- Laconia53
- Lyme53
- Plymouth53
- Rumney53
- Woodsville53
- Andover52
- Antrim52
- Ashland52
- Bennington52
- Blodgett Landing52
- Boscawen52
- Bradford52
- Bristol52
- Campton52
- Charlestown52
- Cheshire52
- Claremont52
- Concord52
- Contoocook52
- Danbury52
- Deering52
- Dunbarton52
- Enfield52
- Francestown52
- Franklin52
- Gorham52
- Grantham52
- Greens52
- Harrisville52
- Henniker52
- Hill52
- Hinsdale52
- Holderness52
- Hopkinton52
- Lebanon52
- Lempster52
- Marlborough52
- Moultonborough52
- New London52
- Newbury52
- Newport52
- Northfield52
- Salisbury52
- Springfield52
- Sullivan52
- Swanzey52
- Thornton52
- Tilton52
- Tilton Northfield52
- Walpole52
- Warner52
- Weare52
- Webster52
- West Swanzey52
- Wilmot52
- Winchester52
- Allenstown51
- Alton51
- Auburn51
- Belknap51
- Belmont51
- Candia51
- Carroll51
- Chichester51
- Dublin51
- East Merrimack51
- Epsom51
- Exeter51
- Fitzwilliam51
- Freedom51
- Gilmanton51
- Goffstown51
- Greenville51
- Hollis51
- Hudson51
- Jaffrey51
- Klondike Corner51
- Lincoln51
- Litchfield51
- Loudon51
- Lyndeborough51
- Madison51
- Mason51
- Merrimack51
- Milford51
- New Boston51
- New Ipswich51
- North Conway51
- Ossipee51
- Pembroke51
- Pinardville51
- Pittsfield51
- Rindge51
- Sandwich51
- South Hooksett51
- Suncook51
- Tamworth51
- Temple51
- Tuftonboro51
- Warren51
- Wilton51
- Windham51
- Wolfeboro51
- Atkinson50
- Chester50
- Derry50
- Hampstead50
- Danville49
- Fremont49
- Kingston49
- Northwood49
- Plaistow49
- Raymond49
- Sandown49
- Brentwood48
- Epping48
- Nottingham48
- Rockingham48
- Seabrook48
- Sutton48
- Wakefield48
- East Kingston47
- Hanover47
- Kensington47
- Meredith47
- Farmington46
- Grafton County46
- Hampton46
- Hampton Beach46
- Newfields46
- Portsmouth46
- Rye46
- Lee45
- Londonderry45
- Milton45
- Strafford45
- Durham44
- Gilford44
- Newmarket44
- Newton44
- North Hampton44
- Pelham44
- Rochester44
- Stratham44
- Madbury43
- Manchester42
- New Castle42
- Rollinsford42
- Somersworth42
- Woodstock42
- Dover41
- Bethlehem40
- Barnstead39
- Berlin39
- Randolph39
- Franconia38
- Keene38
- Chesterfield37
- Nashua37
- Peterborough37
- Alstead36
- Bow35
- Pittsburg35
- Canterbury34
- Effingham33
- Hampton Falls33
- Hooksett33
- Troy33
- Brookline32
- Amherst31
- Hillsborough31
- Barrington28
- Salem27
- Conway26
