Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 07:54, Oct 17
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Wildfires in New Hampshire
Real-time information
Active fires
--
Learn more about global air quality
Which is the most polluted city in New Hampshire?
- Londonderry23
- Peterborough22
- Keene21
- Portsmouth19
- Woodstock17
- Warren16
- Exeter14
- Lincoln13
- Hampton11
- Hampton Beach11
- New Castle11
- North Hampton11
- Rye11
- Seabrook11
- Chesterfield10
- East Kingston10
- Kensington10
- Pembroke10
- Rollinsford10
- Stratham10
- Atkinson9
- Brentwood9
- Brookline9
- Danville9
- Durham9
- Epping9
- Fremont9
- Hampstead9
- Kingston9
- Lee9
- Madbury9
- Nashua9
- Newfields9
- Newmarket9
- Plaistow9
- Rockingham9
- Salem9
- Sandown9
- Somersworth9
- Sutton9
- Allenstown8
- Alton8
- Auburn8
- Barrington8
- Belknap8
- Belmont8
- Bennington8
- Candia8
- Carroll8
- Chester8
- Chichester8
- Concord8
- Derry8
- Dublin8
- Dunbarton8
- East Merrimack8
- Epsom8
- Farmington8
- Fitzwilliam8
- Francestown8
- Freedom8
- Gilmanton8
- Goffstown8
- Grafton County8
- Greenville8
- Hollis8
- Hudson8
- Jaffrey8
- Klondike Corner8
- Litchfield8
- Loudon8
- Lyndeborough8
- Madison8
- Manchester8
- Mason8
- Meredith8
- Merrimack8
- Milford8
- Milton8
- Moultonborough8
- New Boston8
- New Hampton8
- New Ipswich8
- North Conway8
- Northwood8
- Nottingham8
- Ossipee8
- Pinardville8
- Pittsfield8
- Raymond8
- Rindge8
- Rochester8
- South Hooksett8
- Strafford8
- Suncook8
- Tamworth8
- Temple8
- Tuftonboro8
- Wakefield8
- Weare8
- Wilton8
- Windham8
- Wolfeboro8
- Alexandria7
- Andover7
- Antrim7
- Ashland7
- Berlin7
- Bethlehem7
- Blodgett Landing7
- Boscawen7
- Bradford7
- Bristol7
- Charlestown7
- Cheshire7
- Claremont7
- Colebrook7
- Contoocook7
- Danbury7
- Deering7
- Dummer7
- Enfield7
- Franconia7
- Franklin7
- Gorham7
- Grantham7
- Greens7
- Groveton7
- Hampton Falls7
- Hanover7
- Harrisville7
- Henniker7
- Hill7
- Hinsdale7
- Holderness7
- Hopkinton7
- Jefferson7
- Lancaster7
- Lempster7
- Marlborough7
- Milan7
- New London7
- Newbury7
- Newport7
- Northfield7
- Northumberland7
- Plymouth7
- Rumney7
- Salisbury7
- Springfield7
- Stratford7
- Sullivan7
- Swanzey7
- Thornton7
- Tilton7
- Tilton Northfield7
- Walpole7
- Warner7
- Webster7
- West Swanzey7
- Whitefield7
- Wilmot7
- Winchester7
- Bow6
- Center Harbor6
- Conway6
- Haverhill6
- Lebanon6
- Littleton6
- Lyme6
- Newton6
- Sandwich6
- Woodsville6
- Barnstead4
- Campton4
- Dover4
- Canterbury3
- Gilford3
- Laconia3
- Pelham3
- Hillsborough2
- Alstead1
- Amherst0
- Effingham0
- Hooksett0
- Pittsburg0
- Randolph0
- Troy0
