Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 21:19, 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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Learn more about global air quality
Which is the most polluted city in New Hampshire?
- Exeter40
- Lincoln40
- Warren40
- Hooksett39
- Portsmouth39
- Hinsdale37
- Fitzwilliam36
- Greenville36
- Hollis36
- Mason36
- New Ipswich36
- Rindge36
- Swanzey36
- West Swanzey36
- Winchester36
- Cheshire35
- Dublin35
- Hudson35
- Jaffrey35
- Marlborough35
- Milford35
- Temple35
- Walpole35
- Wilton35
- Allenstown34
- Antrim34
- Auburn34
- Bennington34
- Boscawen34
- Bradford34
- Candia34
- Charlestown34
- Chester34
- Chichester34
- Concord34
- Contoocook34
- Deering34
- Derry34
- Dunbarton34
- East Merrimack34
- Epsom34
- Francestown34
- Goffstown34
- Harrisville34
- Henniker34
- Hopkinton34
- Klondike Corner34
- Lempster34
- Litchfield34
- Lyndeborough34
- Merrimack34
- New Boston34
- Pinardville34
- South Hooksett34
- Suncook34
- Warner34
- Weare34
- Webster34
- Windham34
- Claremont33
- Farmington33
- Franklin33
- Fremont33
- Gilmanton33
- Hampstead33
- Loudon33
- Newbury33
- Newport33
- Northfield33
- Northwood33
- Nottingham33
- Pittsfield33
- Raymond33
- Salisbury33
- Sandown33
- Strafford33
- Sullivan33
- Tilton33
- Tilton Northfield33
- Alton32
- Andover32
- Atkinson32
- Belknap32
- Belmont32
- Blodgett Landing32
- Danbury32
- Epping32
- Grantham32
- Hill32
- Londonderry32
- Manchester32
- Milton32
- New London32
- Rochester32
- Rockingham32
- Springfield32
- Wilmot32
- Brentwood31
- Bristol31
- Colebrook31
- Danville31
- Dummer31
- Enfield31
- Lebanon31
- Ossipee31
- Tuftonboro31
- Wakefield31
- Wolfeboro31
- Alexandria30
- Carroll30
- Freedom30
- Madison30
- Milan30
- Moultonborough30
- Ashland29
- Berlin29
- Gorham29
- Greens29
- Groveton29
- Holderness29
- Jefferson29
- Kingston29
- Lee29
- Lyme29
- Madbury29
- North Conway29
- Pelham29
- Peterborough29
- Plymouth29
- Rumney29
- Somersworth29
- Stratford29
- Tamworth29
- Thornton29
- Keene28
- Lancaster28
- Newton28
- Plaistow28
- Whitefield28
- Durham26
- East Kingston26
- Littleton26
- Newmarket26
- Pembroke26
- Rollinsford26
- Dover25
- Haverhill25
- Newfields25
- Sutton25
- Kensington24
- Woodsville24
- Hampton23
- Hampton Beach23
- New Castle23
- North Hampton23
- Rye23
- Seabrook23
- Stratham23
- Nashua22
- Barnstead20
- Bow18
- Hampton Falls17
- Brookline16
- Canterbury16
- Hillsborough16
- Salem14
- Barrington12
- Chesterfield12
- Woodstock12
- Alstead11
- Effingham11
- Center Harbor10
- Hanover10
- Laconia10
- Meredith10
- Gilford9
- New Hampton9
- Amherst8
- Grafton County8
- Campton7
- Franconia7
- Bethlehem6
- Conway6
- Troy4
- Randolph2
- Northumberland0
- Pittsburg0
