Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 05:30, Oct 07
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Wildfires in New Hampshire
Real-time information
Active fires
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Which is the most polluted city in New Hampshire?
- Peterborough28
- Keene27
- Londonderry27
- Portsmouth25
- Woodstock24
- Barrington22
- Nashua18
- Pembroke18
- Troy17
- Chesterfield16
- Grafton County16
- Bethlehem13
- Bow13
- Franconia13
- Sutton13
- Campton12
- Dover12
- Hanover12
- Lincoln12
- Meredith12
- Warren12
- Barnstead11
- Brookline11
- Center Harbor11
- Atkinson10
- Auburn10
- Bennington10
- Brentwood10
- Candia10
- Cheshire10
- Chester10
- Conway10
- Danville10
- Derry10
- Dublin10
- Dunbarton10
- East Kingston10
- East Merrimack10
- Exeter10
- Fitzwilliam10
- Francestown10
- Fremont10
- Goffstown10
- Greenville10
- Hampstead10
- Harrisville10
- Hinsdale10
- Hollis10
- Hooksett10
- Hudson10
- Jaffrey10
- Kingston10
- Klondike Corner10
- Litchfield10
- Lyndeborough10
- Marlborough10
- Mason10
- Merrimack10
- Milford10
- New Boston10
- New Ipswich10
- Pinardville10
- Plaistow10
- Rindge10
- Rockingham10
- Sandown10
- Seabrook10
- South Hooksett10
- Swanzey10
- Temple10
- Weare10
- West Swanzey10
- Wilton10
- Winchester10
- Windham10
- Allenstown9
- Antrim9
- Deering9
- Epping9
- Hampton9
- Hampton Beach9
- Hampton Falls9
- Henniker9
- Kensington9
- Laconia9
- Manchester9
- Newfields9
- North Hampton9
- Randolph9
- Raymond9
- Suncook9
- Epsom8
- Gilford8
- Hopkinton8
- Newmarket8
- Nottingham8
- Salem8
- Stratham8
- Alexandria7
- Andover7
- Blodgett Landing7
- Boscawen7
- Bradford7
- Bristol7
- Charlestown7
- Chichester7
- Claremont7
- Concord7
- Contoocook7
- Danbury7
- Durham7
- Enfield7
- Franklin7
- Grantham7
- Haverhill7
- Hill7
- Lebanon7
- Lee7
- Lempster7
- Loudon7
- Lyme7
- New London7
- Newbury7
- Newport7
- Northfield7
- Northwood7
- Pittsburg7
- Pittsfield7
- Plymouth7
- Rumney7
- Rye7
- Salisbury7
- Springfield7
- Sullivan7
- Tilton Northfield7
- Walpole7
- Warner7
- Webster7
- Wilmot7
- Woodsville7
- Alton6
- Ashland6
- Belknap6
- Belmont6
- Berlin6
- Canterbury6
- Carroll6
- Colebrook6
- Dummer6
- Effingham6
- Farmington6
- Freedom6
- Gilmanton6
- Gorham6
- Greens6
- Groveton6
- Holderness6
- Jefferson6
- Lancaster6
- Littleton6
- Madbury6
- Madison6
- Milan6
- Milton6
- Moultonborough6
- New Castle6
- North Conway6
- Ossipee6
- Pelham6
- Rochester6
- Rollinsford6
- Somersworth6
- Strafford6
- Stratford6
- Tamworth6
- Thornton6
- Tilton6
- Tuftonboro6
- Wakefield6
- Whitefield6
- Wolfeboro6
- Alstead4
- Northumberland2
- Hillsborough1
- Amherst0
