Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 15:24, Sep 16
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?
- Hinsdale57
- Winchester56
- Cheshire55
- Fitzwilliam55
- Swanzey55
- West Swanzey55
- Marlborough54
- Walpole54
- Charlestown53
- Dublin53
- Harrisville53
- Jaffrey53
- Rindge53
- Antrim52
- Claremont52
- Lempster52
- Bennington51
- New Ipswich51
- Temple51
- Deering50
- Sullivan50
- Bradford49
- Francestown49
- Greenville49
- Henniker49
- Lyndeborough49
- Newbury49
- Newport49
- Weare49
- Blodgett Landing48
- Contoocook48
- Hopkinton48
- Klondike Corner48
- Mason48
- Milford48
- New Boston48
- New London48
- Warner48
- Wilmot48
- Wilton48
- Andover47
- Boscawen47
- Danbury47
- Dunbarton47
- Enfield47
- Goffstown47
- Grantham47
- Salisbury47
- Springfield47
- Webster47
- Alexandria46
- Concord46
- Franklin46
- Hill46
- Pinardville46
- Hollis45
- Merrimack45
- Brentwood44
- Danville44
- Durham44
- East Kingston44
- East Merrimack44
- Epping44
- Fremont44
- Hampton44
- Hampton Beach44
- Kensington44
- Kingston44
- New Castle44
- Newfields44
- Newmarket44
- North Hampton44
- Northfield44
- Raymond44
- Rockingham44
- Rye44
- Sandown44
- Seabrook44
- South Hooksett44
- Stratham44
- Tilton Northfield44
- Allenstown43
- Atkinson43
- Auburn43
- Bristol43
- Candia43
- Chester43
- Chichester43
- Derry43
- Epsom43
- Hampstead43
- Hudson43
- Lebanon43
- Lee43
- Litchfield43
- Loudon43
- Madbury43
- Northwood43
- Nottingham43
- Pittsfield43
- Plaistow43
- Rollinsford43
- Somersworth43
- Suncook43
- Tilton43
- Windham43
- Alton42
- Ashland42
- Belknap42
- Belmont42
- Farmington42
- Gilmanton42
- Holderness42
- Milton42
- Plymouth42
- Rochester42
- Strafford42
- Tuftonboro42
- Wolfeboro42
- Moultonborough41
- Ossipee41
- Rumney41
- Wakefield41
- Carroll40
- Freedom40
- Tamworth40
- Lyme39
- Madison39
- North Conway39
- Thornton39
- Greens34
- Haverhill34
- Woodsville33
- Gorham32
- Jefferson29
- Littleton28
- Milan28
- Whitefield28
- Dummer26
- Lancaster26
- Groveton25
- Peterborough24
- Lincoln22
- Stratford22
- Londonderry21
- Sutton21
- Exeter20
- Pembroke20
- Warren20
- Bethlehem19
- Colebrook19
- Keene19
- Laconia19
- Portsmouth19
- Dover18
- Hillsborough18
- Manchester18
- New Hampton18
- Campton17
- Center Harbor17
- Effingham17
- Franconia17
- Hooksett17
- Gilford16
- Grafton County16
- Nashua15
- Pittsburg15
- Canterbury14
- Chesterfield14
- Hanover14
- Meredith14
- Newton14
- Barnstead13
- Troy13
- Bow12
- Pelham12
- Sandwich12
- Northumberland11
- Brookline10
- Randolph10
- Woodstock10
- Alstead9
- Barrington9
- Berlin9
- Conway7
- Hampton Falls3
- Amherst1
- Salem1
