Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 01:58, Oct 14
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?
- Alstead56
- Charlestown56
- Lempster56
- Walpole56
- Alexandria55
- Andover55
- Antrim55
- Ashland55
- Bennington55
- Blodgett Landing55
- Boscawen55
- Bow55
- Bradford55
- Bristol55
- Canterbury55
- Cheshire55
- Claremont55
- Concord55
- Contoocook55
- Danbury55
- Deering55
- Dublin55
- Dunbarton55
- Enfield55
- Fitzwilliam55
- Francestown55
- Franklin55
- Goffstown55
- Grantham55
- Greenville55
- Harrisville55
- Henniker55
- Hill55
- Hinsdale55
- Hopkinton55
- Jaffrey55
- Klondike Corner55
- Lebanon55
- Lyme55
- Lyndeborough55
- Marlborough55
- Mason55
- Milford55
- New Boston55
- New Ipswich55
- New London55
- Newbury55
- Newport55
- Northfield55
- Plymouth55
- Rindge55
- Rumney55
- Salisbury55
- Springfield55
- Sullivan55
- Swanzey55
- Temple55
- Tilton55
- Tilton Northfield55
- Troy55
- Warner55
- Weare55
- Webster55
- West Swanzey55
- Wilmot55
- Wilton55
- Winchester55
- Allenstown54
- Belknap54
- Belmont54
- Chichester54
- East Merrimack54
- Gilford54
- Gilmanton54
- Haverhill54
- Holderness54
- Hollis54
- Loudon54
- Merrimack54
- Pinardville54
- South Hooksett54
- Suncook54
- Thornton54
- Woodstock54
- Woodsville54
- Auburn53
- Candia53
- Epsom53
- Litchfield53
- Moultonborough53
- Pittsfield53
- Alton52
- Barnstead52
- Hudson52
- Northwood52
- Tuftonboro52
- Chester51
- Derry51
- Windham49
- Littleton48
- Raymond47
- Tamworth44
- Sandown43
- Hampstead42
- Nottingham41
- Atkinson38
- Wolfeboro38
- Fremont36
- Ossipee36
- Danville34
- Carroll32
- Rockingham32
- Whitefield32
- Plaistow30
- Epping29
- Farmington29
- Kingston28
- Madison27
- Strafford27
- Brentwood26
- Hooksett26
- Effingham24
- Freedom24
- Milton24
- Portsmouth24
- Wakefield24
- Lincoln23
- East Kingston22
- Lee22
- Rochester22
- Kensington21
- Newfields21
- Madbury20
- Durham19
- Newmarket19
- Peterborough19
- Exeter18
- Jefferson18
- Lancaster18
- North Conway18
- Stratham18
- Somersworth17
- Seabrook16
- Londonderry15
- Hampton14
- Northumberland14
- Rollinsford14
- Warren14
- Greens13
- Hampton Beach13
- North Hampton13
- Randolph13
- Groveton12
- Keene10
- Berlin8
- Gorham8
- Stratford8
- Dover7
- New Castle7
- Rye7
- Chesterfield6
- Colebrook6
- Dummer6
- Milan6
- Newton6
- Sutton6
- Bethlehem5
- Hanover5
- Laconia4
- Nashua4
- New Hampton4
- Barrington3
- Franconia3
- Pelham3
- Sandwich3
- Center Harbor2
- Grafton County2
- Hillsborough2
- Manchester2
- Pembroke2
- Brookline1
- Campton1
- Conway1
- Meredith1
- Salem1
- Amherst0
- Hampton Falls0
