Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 17:49, Sep 28
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?
- Peterborough29
- Rye27
- Londonderry26
- Nashua26
- Portsmouth26
- Effingham24
- Hooksett24
- Greens22
- Laconia22
- Keene21
- Concord19
- Woodstock17
- Alexandria7
- Ashland7
- Berlin7
- Bristol7
- Carroll7
- Colebrook7
- Conway7
- Danbury7
- Dummer7
- Enfield7
- Freedom7
- Gorham7
- Groveton7
- Haverhill7
- Hill7
- Holderness7
- Jefferson7
- Lancaster7
- Littleton7
- Lyme7
- Madison7
- Meredith7
- Milan7
- Moultonborough7
- North Conway7
- Ossipee7
- Plymouth7
- Randolph7
- Rumney7
- Springfield7
- Stratford7
- Tamworth7
- Thornton7
- Tuftonboro7
- Whitefield7
- Woodsville7
- Allenstown6
- Alstead6
- Alton6
- Amherst6
- Andover6
- Antrim6
- Atkinson6
- Auburn6
- Barnstead6
- Belknap6
- Belmont6
- Bennington6
- Bethlehem6
- Blodgett Landing6
- Boscawen6
- Bow6
- Bradford6
- Brentwood6
- Candia6
- Canterbury6
- Charlestown6
- Cheshire6
- Chester6
- Chichester6
- Claremont6
- Contoocook6
- Danville6
- Deering6
- Derry6
- Dublin6
- Dunbarton6
- Durham6
- East Kingston6
- East Merrimack6
- Epping6
- Epsom6
- Exeter6
- Farmington6
- Fitzwilliam6
- Francestown6
- Franklin6
- Fremont6
- Gilford6
- Gilmanton6
- Goffstown6
- Grafton County6
- Grantham6
- Greenville6
- Hampstead6
- Hampton6
- Hampton Beach6
- Hampton Falls6
- Harrisville6
- Henniker6
- Hinsdale6
- Hollis6
- Hopkinton6
- Hudson6
- Jaffrey6
- Kensington6
- Kingston6
- Klondike Corner6
- Lebanon6
- Lee6
- Lempster6
- Lincoln6
- Litchfield6
- Loudon6
- Lyndeborough6
- Madbury6
- Marlborough6
- Mason6
- Merrimack6
- Milford6
- Milton6
- New Boston6
- New Castle6
- New Hampton6
- New Ipswich6
- New London6
- Newbury6
- Newfields6
- Newmarket6
- Newport6
- North Hampton6
- Northfield6
- Northwood6
- Nottingham6
- Pelham6
- Pinardville6
- Pittsfield6
- Plaistow6
- Raymond6
- Rindge6
- Rochester6
- Rockingham6
- Rollinsford6
- Salisbury6
- Sandown6
- Seabrook6
- Somersworth6
- South Hooksett6
- Strafford6
- Stratham6
- Sullivan6
- Suncook6
- Sutton6
- Swanzey6
- Temple6
- Tilton6
- Tilton Northfield6
- Troy6
- Wakefield6
- Walpole6
- Warner6
- Warren6
- Weare6
- Webster6
- West Swanzey6
- Wilmot6
- Wilton6
- Winchester6
- Windham6
- Wolfeboro6
- Franconia4
- Chesterfield3
- Pittsburg3
- Center Harbor2
- Hanover2
- Pembroke2
- Barrington1
- Campton1
- Hillsborough1
- Northumberland1
- Salem1
- Brookline0
- Dover0
- Manchester0
- Sandwich0
