Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 09:43, 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?
- Rye30
- Peterborough29
- Portsmouth29
- Londonderry28
- Woodstock28
- Nashua26
- Keene25
- Effingham24
- Greens24
- Hooksett24
- Concord22
- Springfield11
- Claremont9
- Lebanon9
- Bethlehem8
- Charlestown8
- Enfield8
- Lyme8
- Alexandria7
- Allenstown7
- Alstead7
- Alton7
- Andover7
- Antrim7
- Ashland7
- Belknap7
- Belmont7
- Berlin7
- Blodgett Landing7
- Boscawen7
- Bradford7
- Bristol7
- Candia7
- Carroll7
- Chichester7
- Colebrook7
- Contoocook7
- Danbury7
- Deering7
- Dummer7
- Dunbarton7
- Durham7
- Epsom7
- Farmington7
- Francestown7
- Franklin7
- Freedom7
- Gilmanton7
- Goffstown7
- Gorham7
- Grantham7
- Groveton7
- Haverhill7
- Henniker7
- Hill7
- Holderness7
- Hopkinton7
- Jefferson7
- Klondike Corner7
- Lancaster7
- Lee7
- Lempster7
- Littleton7
- Loudon7
- Madbury7
- Madison7
- Milan7
- Milton7
- Moultonborough7
- New Boston7
- New London7
- Newbury7
- Newport7
- North Conway7
- Northfield7
- Northumberland7
- Northwood7
- Nottingham7
- Ossipee7
- Pinardville7
- Pittsfield7
- Plymouth7
- Rochester7
- Rollinsford7
- Rumney7
- Salisbury7
- Somersworth7
- South Hooksett7
- Strafford7
- Stratford7
- Sullivan7
- Suncook7
- Tamworth7
- Thornton7
- Tilton7
- Tilton Northfield7
- Tuftonboro7
- Wakefield7
- Walpole7
- Warner7
- Weare7
- Webster7
- Whitefield7
- Wilmot7
- Wolfeboro7
- Woodsville7
- Amherst6
- Atkinson6
- Auburn6
- Bennington6
- Brentwood6
- Cheshire6
- Chester6
- Danville6
- Derry6
- Dublin6
- East Kingston6
- East Merrimack6
- Epping6
- Exeter6
- Fitzwilliam6
- Franconia6
- Fremont6
- Greenville6
- Hampstead6
- Hampton6
- Hampton Beach6
- Hampton Falls6
- Harrisville6
- Hinsdale6
- Hollis6
- Hudson6
- Jaffrey6
- Kensington6
- Kingston6
- Lincoln6
- Litchfield6
- Lyndeborough6
- Marlborough6
- Mason6
- Meredith6
- Merrimack6
- Milford6
- New Castle6
- New Ipswich6
- Newfields6
- Newmarket6
- North Hampton6
- Plaistow6
- Raymond6
- Rindge6
- Rockingham6
- Sandown6
- Seabrook6
- Stratham6
- Sutton6
- Swanzey6
- Temple6
- Troy6
- Warren6
- West Swanzey6
- Wilton6
- Winchester6
- Windham6
- Grafton County5
- Hanover4
- Laconia4
- Canterbury3
- Chesterfield3
- Bow2
- Conway2
- Gilford2
- Manchester2
- New Hampton2
- Pembroke2
- Barnstead1
- Barrington1
- Brookline1
- Campton1
- Center Harbor1
- Hillsborough1
- Dover0
- Pelham0
- Pittsburg0
- Randolph0
- Salem0
- Sandwich0
