Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 03:59, Nov 13
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Wildfires in New Hampshire
Real-time informationActive fires
--
Learn more about global air quality
Which is the most polluted city in New Hampshire?
- Dover27
- Hooksett27
- Portsmouth26
- Peterborough24
- Effingham23
- Londonderry22
- Pittsburg21
- Keene20
- Sutton19
- Center Harbor18
- Pembroke18
- Grafton County17
- Colebrook16
- Newton15
- Stratford15
- Dummer14
- Groveton14
- Hillsborough14
- Manchester14
- Meredith14
- Milan14
- Berlin13
- Exeter13
- Gorham13
- Lancaster13
- Lincoln13
- Littleton13
- Warren13
- Whitefield13
- Canterbury12
- Gilford12
- Greens12
- Haverhill12
- Jefferson12
- Nashua12
- Woodsville12
- Barnstead11
- Bethlehem11
- Bow11
- Brookline11
- Conway11
- Franconia11
- Laconia11
- New Hampton11
- Northumberland11
- Woodstock11
- Campton10
- Charlestown10
- Cheshire10
- Claremont10
- Enfield10
- Fitzwilliam10
- Grantham10
- Greenville10
- Hinsdale10
- Jaffrey10
- Lebanon10
- Lyme10
- Marlborough10
- Mason10
- New Ipswich10
- Newport10
- North Conway10
- Rindge10
- Sullivan10
- Swanzey10
- Troy10
- Walpole10
- West Swanzey10
- Winchester10
- Alexandria9
- Blodgett Landing9
- Carroll9
- Dublin9
- Freedom9
- Harrisville9
- Hollis9
- Hudson9
- Lempster9
- Lyndeborough9
- Madison9
- Milford9
- New London9
- Plymouth9
- Rumney9
- Sandwich9
- Springfield9
- Temple9
- Thornton9
- Wilmot9
- Wilton9
- Allenstown8
- Alton8
- Andover8
- Antrim8
- Ashland8
- Atkinson8
- Auburn8
- Belknap8
- Belmont8
- Bennington8
- Boscawen8
- Bradford8
- Bristol8
- Candia8
- Chester8
- Chichester8
- Concord8
- Contoocook8
- Danbury8
- Danville8
- Deering8
- Derry8
- Dunbarton8
- East Merrimack8
- Epsom8
- Farmington8
- Francestown8
- Franklin8
- Gilmanton8
- Goffstown8
- Hampstead8
- Hanover8
- Henniker8
- Hill8
- Holderness8
- Hopkinton8
- Klondike Corner8
- Litchfield8
- Loudon8
- Merrimack8
- Milton8
- Moultonborough8
- New Boston8
- Newbury8
- Northfield8
- Northwood8
- Ossipee8
- Pinardville8
- Pittsfield8
- Plaistow8
- Raymond8
- Salisbury8
- Sandown8
- South Hooksett8
- Suncook8
- Tamworth8
- Tilton8
- Tilton Northfield8
- Tuftonboro8
- Wakefield8
- Warner8
- Weare8
- Webster8
- Windham8
- Wolfeboro8
- Brentwood7
- East Kingston7
- Epping7
- Fremont7
- Kensington7
- Kingston7
- Lee7
- Nottingham7
- Rochester7
- Rockingham7
- Strafford7
- Barrington6
- Durham6
- Hampton6
- Hampton Beach6
- Madbury6
- New Castle6
- Newfields6
- Newmarket6
- North Hampton6
- Randolph6
- Rollinsford6
- Rye6
- Salem6
- Seabrook6
- Somersworth6
- Stratham6
- Chesterfield4
- Hampton Falls4
- Pelham3
- Alstead1
- Amherst1









