Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 10:04, Sep 21
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Wildfires in New Hampshire
Real-time information
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Which is the most polluted city in New Hampshire?
- Berlin33
- Charlestown33
- Claremont33
- Newport31
- Sullivan31
- Effingham28
- Peterborough28
- Alstead27
- Portsmouth27
- Hooksett26
- Lempster26
- Walpole26
- Lebanon25
- Grantham24
- Enfield23
- Rye23
- Blodgett Landing22
- Londonderry22
- Nashua21
- New London21
- Newbury21
- Springfield21
- Cheshire20
- Lyme20
- Marlborough19
- Swanzey19
- West Swanzey19
- Antrim18
- Bradford18
- Dublin18
- Fitzwilliam18
- Harrisville18
- Hillsborough18
- Hinsdale18
- Troy18
- Winchester18
- Bennington17
- Concord17
- Jaffrey17
- Rindge17
- Wilmot17
- Deering16
- Laconia16
- New Ipswich16
- Temple16
- Woodsville16
- Haverhill15
- Henniker15
- Danbury14
- Exeter14
- Francestown14
- Warner14
- Colebrook13
- Greenville13
- Keene13
- Alexandria12
- Lincoln12
- Lyndeborough12
- Mason12
- Stratford12
- Wilton12
- Andover11
- Warren11
- Woodstock11
- Greens10
- Groveton10
- Littleton10
- Milford10
- Salisbury10
- Canterbury9
- Hollis9
- New Boston9
- New Hampton9
- Northumberland9
- Weare9
- Amherst8
- Contoocook8
- Dummer8
- Hill8
- Hopkinton8
- Klondike Corner8
- Lancaster8
- Webster8
- Barrington7
- Merrimack7
- Rumney7
- Whitefield7
- Allenstown6
- Alton6
- Ashland6
- Atkinson6
- Auburn6
- Belknap6
- Belmont6
- Boscawen6
- Brentwood6
- Bristol6
- Candia6
- Carroll6
- Center Harbor6
- Chester6
- Chichester6
- Danville6
- Derry6
- Dunbarton6
- Durham6
- East Kingston6
- East Merrimack6
- Epping6
- Epsom6
- Farmington6
- Franklin6
- Freedom6
- Fremont6
- Gilmanton6
- Goffstown6
- Gorham6
- Grafton County6
- Hampstead6
- Hampton6
- Hampton Beach6
- Holderness6
- Hudson6
- Jefferson6
- Kensington6
- Kingston6
- Lee6
- Litchfield6
- Loudon6
- Madbury6
- Madison6
- Milan6
- Milton6
- Moultonborough6
- New Castle6
- Newfields6
- Newmarket6
- Newton6
- North Conway6
- North Hampton6
- Northfield6
- Northwood6
- Nottingham6
- Ossipee6
- Pinardville6
- Pittsfield6
- Plaistow6
- Plymouth6
- Randolph6
- Raymond6
- Rochester6
- Rockingham6
- Rollinsford6
- Sandown6
- Sandwich6
- Seabrook6
- Somersworth6
- South Hooksett6
- Strafford6
- Stratham6
- Suncook6
- Sutton6
- Tamworth6
- Thornton6
- Tilton6
- Tilton Northfield6
- Tuftonboro6
- Wakefield6
- Windham6
- Wolfeboro6
- Bethlehem5
- Chesterfield4
- Dover3
- Pembroke3
- Franconia2
- Hanover2
- Meredith2
- Brookline1
- Conway1
- Gilford1
- Salem1
- Barnstead0
- Bow0
- Campton0
- Hampton Falls0
- Pelham0
