Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 16:56, Nov 07
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?
- Warren31
- Exeter29
- Sutton29
- Lincoln28
- Hooksett26
- Effingham24
- Portsmouth24
- Grafton County23
- Keene23
- Peterborough23
- Hillsborough19
- Campton18
- Chesterfield18
- Woodstock18
- Charlestown17
- Claremont17
- Enfield17
- Grantham17
- Hanover17
- Haverhill17
- Hinsdale17
- Lebanon17
- Littleton17
- Lyme17
- Newport17
- Sullivan17
- Swanzey17
- Walpole17
- West Swanzey17
- Winchester17
- Woodsville17
- Alexandria16
- Blodgett Landing16
- Cheshire16
- Fitzwilliam16
- Lempster16
- Marlborough16
- New London16
- Newbury16
- Springfield16
- Troy16
- Wilmot16
- Andover15
- Antrim15
- Bradford15
- Danbury15
- Dublin15
- Harrisville15
- Hill15
- Jaffrey15
- New Ipswich15
- Plymouth15
- Rindge15
- Rumney15
- Salisbury15
- Warner15
- Ashland14
- Bennington14
- Boscawen14
- Bristol14
- Contoocook14
- Deering14
- Dunbarton14
- East Merrimack14
- Francestown14
- Franklin14
- Goffstown14
- Greenville14
- Henniker14
- Hollis14
- Hopkinton14
- Hudson14
- Klondike Corner14
- Litchfield14
- Londonderry14
- Lyndeborough14
- Mason14
- Merrimack14
- Milford14
- New Boston14
- Pinardville14
- Temple14
- Thornton14
- Weare14
- Webster14
- Wilton14
- Allenstown13
- Atkinson13
- Auburn13
- Belknap13
- Belmont13
- Bethlehem13
- Candia13
- Chester13
- Chichester13
- Concord13
- Danville13
- Derry13
- Epsom13
- Franconia13
- Gilmanton13
- Hampstead13
- Holderness13
- Loudon13
- Northfield13
- Plaistow13
- Raymond13
- Sandown13
- South Hooksett13
- Suncook13
- Tilton13
- Tilton Northfield13
- Whitefield13
- Windham13
- Barnstead12
- Brentwood12
- Fremont12
- Groveton12
- Kingston12
- Lancaster12
- Moultonborough12
- Northwood12
- Nottingham12
- Pittsfield12
- Rockingham12
- Stratford12
- Alton11
- Colebrook11
- East Kingston11
- Epping11
- Jefferson11
- Tamworth11
- Tuftonboro11
- Carroll10
- Kensington10
- Berlin9
- Durham9
- Farmington9
- Gorham9
- Greens9
- Hampton9
- Hampton Beach9
- Lee9
- Madison9
- Newfields9
- Newmarket9
- Ossipee9
- Seabrook9
- Strafford9
- Stratham9
- Wolfeboro9
- Canterbury8
- Conway8
- Dummer8
- Freedom8
- Madbury8
- Milan8
- Milton8
- North Conway8
- North Hampton8
- Rochester8
- Somersworth8
- Wakefield8
- Pittsburg7
- Rollinsford7
- Nashua6
- New Castle6
- Rye6
- Center Harbor4
- New Hampton3
- Northumberland3
- Pembroke3
- Sandwich3
- Barrington2
- Bow2
- Brookline2
- Laconia2
- Meredith2
- Dover1
- Gilford1
- Newton1
- Salem1
- Amherst0
- Hampton Falls0
- Manchester0
- Pelham0
- Randolph0
