Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 20:39, Sep 26
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?
- Peterborough33
- Rye33
- Laconia32
- Portsmouth32
- Londonderry31
- Concord30
- Effingham28
- New Hampton27
- Dover26
- Gilford25
- Keene25
- Nashua25
- Bethlehem24
- Center Harbor24
- Hillsborough23
- Meredith23
- Campton22
- Canterbury22
- Franconia22
- Pittsburg22
- Barnstead21
- Manchester21
- Sandwich21
- Pembroke20
- Sutton20
- Alstead19
- Woodstock19
- Chesterfield18
- Newton18
- Hooksett17
- Randolph17
- Bow16
- Hanover16
- Pelham16
- Troy16
- Brookline14
- Grafton County14
- Conway13
- Greens12
- Colebrook11
- Hampton Falls11
- Berlin10
- Dummer10
- Groveton10
- Milan10
- Stratford10
- Alton9
- Barrington9
- Carroll9
- Freedom9
- Gorham9
- Haverhill9
- Holderness9
- Jefferson9
- Lancaster9
- Littleton9
- Madison9
- Milton9
- Moultonborough9
- North Conway9
- Ossipee9
- Tamworth9
- Thornton9
- Tuftonboro9
- Wakefield9
- Whitefield9
- Wolfeboro9
- Woodsville9
- Alexandria8
- Allenstown8
- Andover8
- Antrim8
- Ashland8
- Auburn8
- Belknap8
- Belmont8
- Bennington8
- Blodgett Landing8
- Boscawen8
- Bradford8
- Bristol8
- Candia8
- Chester8
- Chichester8
- Claremont8
- Contoocook8
- Danbury8
- Deering8
- Derry8
- Dunbarton8
- East Merrimack8
- Enfield8
- Epsom8
- Farmington8
- Francestown8
- Franklin8
- Gilmanton8
- Goffstown8
- Grantham8
- Henniker8
- Hill8
- Hopkinton8
- Klondike Corner8
- Lebanon8
- Lempster8
- Litchfield8
- Loudon8
- Lyme8
- Merrimack8
- New Boston8
- New London8
- Newbury8
- Newport8
- Northfield8
- Northwood8
- Nottingham8
- Pinardville8
- Pittsfield8
- Plymouth8
- Raymond8
- Rochester8
- Rumney8
- Salem8
- Salisbury8
- Sandown8
- Somersworth8
- South Hooksett8
- Springfield8
- Strafford8
- Sullivan8
- Suncook8
- Tilton8
- Tilton Northfield8
- Warner8
- Weare8
- Webster8
- Wilmot8
- Atkinson7
- Brentwood7
- Charlestown7
- Cheshire7
- Danville7
- Dublin7
- Epping7
- Exeter7
- Fitzwilliam7
- Fremont7
- Greenville7
- Hampstead7
- Harrisville7
- Hollis7
- Hudson7
- Jaffrey7
- Lee7
- Lincoln7
- Lyndeborough7
- Madbury7
- Marlborough7
- Mason7
- Milford7
- New Ipswich7
- Rindge7
- Rockingham7
- Rollinsford7
- Temple7
- Walpole7
- Warren7
- Wilton7
- Windham7
- Durham6
- East Kingston6
- Hampton6
- Hampton Beach6
- Hinsdale6
- Kensington6
- Kingston6
- New Castle6
- Newfields6
- Newmarket6
- North Hampton6
- Northumberland6
- Plaistow6
- Seabrook6
- Stratham6
- Swanzey6
- West Swanzey6
- Winchester6
- Amherst5
