Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 03:17, Jun 11
1 stations sponsored by The Foundation for Clean Air
1 stations sponsored by The Foundation for Clean Air
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Learn more about global air quality
Which is the most polluted city in New Hampshire?
- Peterborough77
- Portsmouth58
- Amherst55
- Dover55
- Hooksett55
- Pembroke55
- Colebrook54
- Manchester54
- Meredith54
- Sutton54
- Barnstead53
- Berlin53
- Bethlehem53
- Bow53
- Dummer53
- Gorham53
- Greens53
- Groveton53
- Haverhill53
- Jefferson53
- Lancaster53
- Littleton53
- Milan53
- North Conway53
- Stratford53
- Whitefield53
- Woodsville53
- Brentwood52
- Carroll52
- Chesterfield52
- Freedom52
- Keene52
- Madison52
- Nashua52
- Salem52
- Tamworth52
- Thornton52
- Alstead51
- Hillsborough51
- Holderness51
- Moultonborough51
- Ossipee51
- Rumney51
- Tuftonboro51
- Ashland50
- Plymouth50
- Wakefield50
- Wolfeboro50
- Belknap49
- Bristol49
- Londonderry49
- Lyme49
- Pittsburg49
- Alexandria48
- Alton48
- Belmont48
- Franklin48
- Gilmanton48
- Hanover48
- Hill48
- Milton48
- Northfield48
- Tilton48
- Tilton Northfield48
- Allenstown47
- Andover47
- Antrim47
- Atkinson47
- Auburn47
- Bennington47
- Blodgett Landing47
- Boscawen47
- Bradford47
- Candia47
- Chester47
- Chichester47
- Concord47
- Contoocook47
- Danbury47
- Danville47
- Deering47
- Derry47
- Dublin47
- Dunbarton47
- East Merrimack47
- Enfield47
- Epping47
- Epsom47
- Farmington47
- Fitzwilliam47
- Francestown47
- Fremont47
- Goffstown47
- Grantham47
- Greenville47
- Hampstead47
- Harrisville47
- Henniker47
- Hollis47
- Hopkinton47
- Hudson47
- Jaffrey47
- Klondike Corner47
- Lebanon47
- Litchfield47
- Loudon47
- Lyndeborough47
- Mason47
- Merrimack47
- Milford47
- New Boston47
- New Ipswich47
- New London47
- Newbury47
- Northwood47
- Nottingham47
- Pelham47
- Pinardville47
- Pittsfield47
- Raymond47
- Rindge47
- Rochester47
- Rockingham47
- Rollinsford47
- Salisbury47
- Sandown47
- Somersworth47
- South Hooksett47
- Springfield47
- Strafford47
- Suncook47
- Temple47
- Warner47
- Weare47
- Webster47
- Wilmot47
- Wilton47
- Windham47
- Brookline46
- Canterbury46
- Charlestown46
- Cheshire46
- Claremont46
- Durham46
- East Kingston46
- Hampton46
- Hampton Beach46
- Hampton Falls46
- Hinsdale46
- Kensington46
- Kingston46
- Lee46
- Lempster46
- Madbury46
- Marlborough46
- New Castle46
- Newfields46
- Newmarket46
- Newport46
- Newton46
- North Hampton46
- Plaistow46
- Rye46
- Seabrook46
- Stratham46
- Sullivan46
- Swanzey46
- Troy46
- Walpole46
- West Swanzey46
- Winchester46
- Exeter45
- Lincoln45
- Barrington44
- Center Harbor44
- Warren44
- Laconia43
- Gilford33
- New Hampton29
- Grafton County16
- Woodstock14
- Campton11
- Effingham11
- Franconia8
- Northumberland7
- Sandwich4
- Conway2
- Randolph0
