Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 16:10, Sep 19
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?
- Peterborough22
- Barrington19
- Rye18
- Sutton18
- Laconia17
- Dover16
- Exeter16
- New Castle16
- Pembroke16
- Portsmouth16
- Nashua15
- Concord14
- Hampton14
- Hampton Beach14
- Lincoln14
- North Hampton14
- Warren14
- Atkinson13
- Brentwood13
- Center Harbor13
- Danville13
- Durham13
- East Kingston13
- Fremont13
- Hampstead13
- Keene13
- Kensington13
- Kingston13
- Lee13
- Madbury13
- Newfields13
- Newmarket13
- Pittsburg13
- Plaistow13
- Rockingham13
- Rollinsford13
- Seabrook13
- Somersworth13
- Stratham13
- Woodstock13
- Auburn12
- Candia12
- Chester12
- Derry12
- East Merrimack12
- Epping12
- Farmington12
- Franconia12
- Hollis12
- Hudson12
- Litchfield12
- Manchester12
- Mason12
- Merrimack12
- Milton12
- Newton12
- Northwood12
- Nottingham12
- Raymond12
- Rochester12
- Sandown12
- South Hooksett12
- Strafford12
- Windham12
- Allenstown11
- Epsom11
- Goffstown11
- Greenville11
- Milford11
- New Hampton11
- New Ipswich11
- Pinardville11
- Pittsfield11
- Wakefield11
- Wilton11
- Grafton County10
- Greens10
- Klondike Corner10
- Suncook10
- Alton9
- Bethlehem9
- Brookline9
- Campton9
- Chesterfield9
- Chichester9
- Hillsborough9
- Lyndeborough9
- Meredith9
- New Boston9
- Pelham9
- Rindge9
- Sandwich9
- Temple9
- Conway8
- Freedom8
- Londonderry8
- Madison8
- North Conway8
- Ossipee8
- Wolfeboro8
- Barnstead7
- Bow7
- Carroll7
- Dunbarton7
- Fitzwilliam7
- Gorham7
- Jaffrey7
- Loudon7
- Milan7
- Troy7
- Tuftonboro7
- Alexandria6
- Alstead6
- Andover6
- Antrim6
- Ashland6
- Belknap6
- Belmont6
- Bennington6
- Blodgett Landing6
- Boscawen6
- Bradford6
- Bristol6
- Canterbury6
- Charlestown6
- Cheshire6
- Claremont6
- Colebrook6
- Contoocook6
- Danbury6
- Deering6
- Dublin6
- Dummer6
- Enfield6
- Francestown6
- Franklin6
- Gilford6
- Gilmanton6
- Grantham6
- Groveton6
- Hanover6
- Harrisville6
- Haverhill6
- Henniker6
- Hill6
- Hinsdale6
- Holderness6
- Hopkinton6
- Jefferson6
- Lancaster6
- Lebanon6
- Lempster6
- Littleton6
- Lyme6
- Marlborough6
- Moultonborough6
- New London6
- Newbury6
- Newport6
- Northfield6
- Northumberland6
- Plymouth6
- Rumney6
- Salem6
- Salisbury6
- Springfield6
- Stratford6
- Sullivan6
- Swanzey6
- Tamworth6
- Thornton6
- Tilton6
- Tilton Northfield6
- Walpole6
- Warner6
- Weare6
- Webster6
- West Swanzey6
- Whitefield6
- Wilmot6
- Winchester6
- Woodsville6
- Hampton Falls2
- Randolph1
- Amherst0
- Effingham0
- Hooksett0
