Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 10:19, Sep 19
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?
- Londonderry27
- Exeter26
- Warren25
- Effingham23
- Lincoln23
- Nashua23
- Portsmouth23
- East Kingston21
- Hampton21
- Hampton Beach21
- Kensington21
- New Castle21
- North Hampton21
- Peterborough21
- Rye21
- Seabrook21
- Kingston20
- Plaistow20
- Atkinson19
- Brentwood19
- Danville19
- Hampstead19
- Rockingham19
- Stratham19
- Derry18
- Fremont18
- Hollis18
- Hudson18
- Keene18
- Laconia18
- Newfields18
- Newmarket18
- Sandown18
- Windham18
- Auburn17
- Candia17
- Chester17
- Durham17
- East Merrimack17
- Epping17
- Greenville17
- Klondike Corner17
- Lee17
- Litchfield17
- Madbury17
- Mason17
- Merrimack17
- Milford17
- New Ipswich17
- Nottingham17
- Pinardville17
- Raymond17
- Rollinsford17
- South Hooksett17
- Wilton17
- Allenstown16
- Goffstown16
- Lyndeborough16
- New Boston16
- Rindge16
- Somersworth16
- Suncook16
- Temple16
- Woodstock16
- Dunbarton15
- Epsom15
- Fitzwilliam15
- Francestown15
- Jaffrey15
- Northwood15
- Weare15
- Bennington14
- Concord14
- Deering14
- Dublin14
- Greens14
- Harrisville14
- Rochester14
- Strafford14
- Antrim13
- Boscawen13
- Bradford13
- Cheshire13
- Chichester13
- Contoocook13
- Farmington13
- Henniker13
- Hopkinton13
- Loudon13
- Marlborough13
- Northfield13
- Pittsfield13
- Salisbury13
- Sutton13
- Swanzey13
- Warner13
- Webster13
- West Swanzey13
- Winchester13
- Alton12
- Andover12
- Belknap12
- Belmont12
- Franklin12
- Gilford12
- Gilmanton12
- Hinsdale12
- Milton12
- Newbury12
- Pembroke12
- Tilton12
- Tilton Northfield12
- Wakefield12
- Wolfeboro12
- Barnstead11
- Blodgett Landing11
- Center Harbor11
- Danbury11
- Hill11
- Lempster11
- Meredith11
- New London11
- Tuftonboro11
- Walpole11
- Wilmot11
- Freedom10
- Moultonborough10
- Ossipee10
- Alexandria9
- Ashland9
- Bethlehem9
- Bristol9
- Brookline9
- Campton9
- Carroll9
- Charlestown9
- Claremont9
- Dover9
- Dummer9
- Enfield9
- Gorham9
- Grantham9
- Groveton9
- Haverhill9
- Holderness9
- Jefferson9
- Lancaster9
- Lebanon9
- Littleton9
- Lyme9
- Madison9
- Manchester9
- Milan9
- Newport9
- North Conway9
- Northumberland9
- Plymouth9
- Rumney9
- Springfield9
- Stratford9
- Sullivan9
- Tamworth9
- Thornton9
- Whitefield9
- Woodsville9
- Chesterfield8
- Colebrook8
- Conway8
- New Hampton8
- Hampton Falls7
- Hanover7
- Newton7
- Pelham7
- Barrington6
- Franconia6
- Hooksett6
- Salem6
- Bow4
- Grafton County4
- Canterbury3
- Alstead2
- Hillsborough2
- Pittsburg2
- Sandwich2
- Troy2
- Randolph1
- Amherst0
