Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 12:37, Aug 18
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?
- Hooksett62
- Dover59
- Manchester55
- Newton52
- Hollis51
- Dublin50
- Fitzwilliam50
- Greenville50
- Jaffrey50
- Marlborough50
- Mason50
- Milford50
- Nashua50
- New Ipswich50
- Portsmouth50
- Rindge50
- Temple50
- Wilton50
- Winchester50
- Antrim49
- Bennington49
- Bradford49
- Cheshire49
- Colebrook49
- Deering49
- East Merrimack49
- Francestown49
- Groveton49
- Harrisville49
- Haverhill49
- Henniker49
- Hinsdale49
- Hudson49
- Jefferson49
- Klondike Corner49
- Lancaster49
- Lempster49
- Litchfield49
- Littleton49
- Lyndeborough49
- Merrimack49
- New Boston49
- Pelham49
- Stratford49
- Swanzey49
- Walpole49
- Weare49
- West Swanzey49
- Whitefield49
- Windham49
- Woodsville49
- Alexandria48
- Andover48
- Atkinson48
- Auburn48
- Blodgett Landing48
- Boscawen48
- Candia48
- Charlestown48
- Chester48
- Claremont48
- Contoocook48
- Danbury48
- Derry48
- Dummer48
- Dunbarton48
- Enfield48
- Goffstown48
- Grantham48
- Hampstead48
- Hill48
- Hopkinton48
- Lebanon48
- Lincoln48
- Lyme48
- New London48
- Newbury48
- Newport48
- Pinardville48
- Rumney48
- Salisbury48
- South Hooksett48
- Springfield48
- Sullivan48
- Warner48
- Webster48
- Wilmot48
- Allenstown47
- Bristol47
- Chichester47
- Concord47
- Danville47
- Epsom47
- Franklin47
- Loudon47
- Milan47
- Northfield47
- Pembroke47
- Plaistow47
- Plymouth47
- Raymond47
- Sandown47
- Suncook47
- Thornton47
- Tilton47
- Tilton Northfield47
- Warren47
- Ashland46
- Belknap46
- Belmont46
- Brentwood46
- East Kingston46
- Epping46
- Exeter46
- Fremont46
- Gilmanton46
- Holderness46
- Kingston46
- Northwood46
- Nottingham46
- Pittsfield46
- Rockingham46
- Alton45
- Kensington45
- Lee45
- Moultonborough45
- Newfields45
- Newmarket45
- Durham44
- Farmington44
- Gorham44
- Greens44
- Hampton44
- Hampton Beach44
- Madbury44
- Milton44
- New Castle44
- North Hampton44
- Rochester44
- Rollinsford44
- Rye44
- Seabrook44
- Somersworth44
- Strafford44
- Stratham44
- Tamworth44
- Tuftonboro44
- Wolfeboro44
- Carroll43
- Freedom43
- Londonderry43
- Madison43
- North Conway43
- Ossipee43
- Wakefield43
- Bow41
- Barnstead39
- Gilford38
- Berlin36
- New Hampton34
- Meredith29
- Barrington28
- Salem28
- Brookline27
- Hampton Falls27
- Troy27
- Hillsborough26
- Sutton26
- Amherst25
- Peterborough25
- Alstead23
- Chesterfield23
- Effingham22
- Franconia22
- Hanover22
- Keene22
- Bethlehem21
- Grafton County21
- Laconia21
- Canterbury19
- Pittsburg18
- Sandwich15
- Campton11
- Center Harbor10
- Woodstock10
- Randolph9
- Conway7
- Northumberland2
