Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 11:47, Sep 20
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?
- Hampton Falls52
- Newton39
- Hooksett31
- Portsmouth31
- New Hampton29
- Effingham28
- Dover26
- Peterborough26
- Manchester23
- Nashua23
- Pelham23
- Pembroke23
- Bow21
- Center Harbor19
- Laconia18
- Franconia17
- Sutton17
- Rye14
- Bethlehem13
- Meredith13
- Antrim12
- Bennington12
- Blodgett Landing12
- Bradford12
- Brookline12
- Cheshire12
- Deering12
- Dublin12
- East Merrimack12
- Fitzwilliam12
- Francestown12
- Goffstown12
- Greenville12
- Hanover12
- Harrisville12
- Henniker12
- Hollis12
- Hopkinton12
- Jaffrey12
- Klondike Corner12
- Lempster12
- Litchfield12
- Lyndeborough12
- Marlborough12
- Mason12
- Merrimack12
- Milford12
- New Boston12
- New Ipswich12
- New London12
- Newbury12
- Newport12
- Pinardville12
- Rindge12
- Sullivan12
- Swanzey12
- Temple12
- Warner12
- Weare12
- West Swanzey12
- Wilmot12
- Wilton12
- Alexandria11
- Allenstown11
- Andover11
- Ashland11
- Auburn11
- Belknap11
- Belmont11
- Berlin11
- Boscawen11
- Bristol11
- Candia11
- Canterbury11
- Charlestown11
- Chester11
- Chichester11
- Claremont11
- Colebrook11
- Concord11
- Contoocook11
- Danbury11
- Derry11
- Dummer11
- Dunbarton11
- Enfield11
- Epsom11
- Franklin11
- Gilmanton11
- Gorham11
- Grantham11
- Greens11
- Groveton11
- Haverhill11
- Hill11
- Holderness11
- Hudson11
- Jefferson11
- Lancaster11
- Lebanon11
- Littleton11
- Loudon11
- Lyme11
- Milan11
- Moultonborough11
- Northfield11
- Northumberland11
- Pittsfield11
- Plymouth11
- Rumney11
- Salisbury11
- South Hooksett11
- Springfield11
- Stratford11
- Suncook11
- Tamworth11
- Thornton11
- Tilton11
- Tilton Northfield11
- Tuftonboro11
- Walpole11
- Webster11
- Whitefield11
- Windham11
- Woodsville11
- Alton10
- Atkinson10
- Carroll10
- Freedom10
- Hampstead10
- Lincoln10
- Madison10
- North Conway10
- Ossipee10
- Sandown10
- Wolfeboro10
- Barnstead9
- Barrington9
- Chesterfield9
- Danville9
- Gilford9
- Hinsdale9
- Northwood9
- Plaistow9
- Raymond9
- Winchester9
- Brentwood8
- Durham8
- East Kingston8
- Epping8
- Farmington8
- Fremont8
- Hampton8
- Hampton Beach8
- Keene8
- Kensington8
- Kingston8
- Lee8
- Londonderry8
- Newfields8
- Newmarket8
- North Hampton8
- Nottingham8
- Rockingham8
- Salem8
- Seabrook8
- Strafford8
- Stratham8
- Wakefield8
- Warren8
- Campton7
- Exeter7
- Madbury7
- Milton7
- New Castle7
- Rochester7
- Rollinsford7
- Somersworth7
- Conway6
- Alstead4
- Amherst4
- Hillsborough4
- Pittsburg4
- Sandwich4
- Grafton County3
- Troy3
- Woodstock3
