Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 13:32, Aug 17
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?
- Exeter44
- Lincoln44
- Warren44
- Hampton42
- Hampton Beach42
- New Castle42
- Rye42
- Seabrook42
- Atkinson41
- Brentwood41
- Danville41
- East Kingston41
- Hampstead41
- Kensington41
- Kingston41
- Newfields41
- North Hampton41
- Pelham41
- Plaistow41
- Stratham41
- Durham40
- Fremont40
- Hudson40
- Newmarket40
- Rockingham40
- Sandown40
- Windham40
- Derry39
- Epping39
- Hollis39
- Lee39
- Madbury39
- Rollinsford39
- Chester38
- East Merrimack38
- Litchfield38
- Mason38
- Merrimack38
- New Ipswich38
- Nottingham38
- Raymond38
- Somersworth38
- Allenstown37
- Auburn37
- Candia37
- Epsom37
- Farmington37
- Goffstown37
- Greens37
- Greenville37
- Klondike Corner37
- Lyndeborough37
- Milford37
- Milton37
- New Boston37
- Northwood37
- Pembroke37
- Pinardville37
- Pittsfield37
- Rindge37
- Rochester37
- South Hooksett37
- Strafford37
- Suncook37
- Temple37
- Wilton37
- Alton36
- Antrim36
- Belknap36
- Belmont36
- Bennington36
- Boscawen36
- Bradford36
- Cheshire36
- Chichester36
- Concord36
- Contoocook36
- Deering36
- Dublin36
- Dunbarton36
- Fitzwilliam36
- Francestown36
- Gilmanton36
- Harrisville36
- Henniker36
- Hopkinton36
- Jaffrey36
- Loudon36
- Marlborough36
- Northfield36
- Swanzey36
- Tilton Northfield36
- Wakefield36
- Warner36
- Weare36
- Webster36
- West Swanzey36
- Winchester36
- Wolfeboro36
- Andover35
- Colebrook35
- Franklin35
- Hinsdale35
- Lempster35
- Newbury35
- Salisbury35
- Tilton35
- Tuftonboro35
- Alexandria34
- Ashland34
- Blodgett Landing34
- Bristol34
- Charlestown34
- Claremont34
- Danbury34
- Dummer34
- Enfield34
- Grantham34
- Groveton34
- Haverhill34
- Hill34
- Holderness34
- Lancaster34
- Lebanon34
- Littleton34
- Lyme34
- Milan34
- Moultonborough34
- New London34
- Newport34
- Ossipee34
- Plymouth34
- Rumney34
- Springfield34
- Stratford34
- Sullivan34
- Tamworth34
- Thornton34
- Walpole34
- Whitefield34
- Wilmot34
- Woodsville34
- Carroll33
- Freedom33
- Gorham33
- Hooksett33
- Jefferson33
- Madison33
- North Conway33
- Peterborough33
- Manchester29
- Laconia27
- Portsmouth26
- Londonderry25
- Bow23
- Canterbury23
- Nashua21
- Woodstock21
- Amherst20
- Barnstead18
- Brookline17
- Meredith17
- New Hampton16
- Center Harbor15
- Gilford14
- Keene14
- Dover13
- Chesterfield12
- Effingham11
- Newton11
- Hanover9
- Sandwich9
- Sutton9
- Hillsborough8
- Barrington7
- Campton7
- Grafton County6
- Bethlehem4
- Conway4
- Franconia3
- Troy3
- Hampton Falls2
- Pittsburg2
- Alstead1
- Berlin1
- Salem1
- Northumberland0
- Randolph0
