Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 19:20, Sep 19
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?
- Rye27
- Greens26
- Laconia26
- Londonderry26
- Nashua26
- Portsmouth26
- Peterborough25
- Concord24
- Keene23
- Woodstock23
- Barrington22
- New Hampton21
- Sutton21
- Bethlehem20
- Franconia20
- Hanover20
- Pembroke19
- Randolph19
- Campton18
- Canterbury18
- Grafton County18
- Manchester18
- Salem18
- Barnstead17
- Exeter17
- Gilford17
- Lincoln17
- Warren17
- Atkinson16
- Chesterfield16
- East Kingston16
- Hampton16
- Hampton Beach16
- Kensington16
- Kingston16
- New Castle16
- Newfields16
- Newmarket16
- North Hampton16
- Pelham16
- Pittsburg16
- Plaistow16
- Seabrook16
- Stratham16
- Brentwood15
- Center Harbor15
- Danville15
- Dover15
- Durham15
- Hampstead15
- Rockingham15
- Brookline14
- Derry14
- Epping14
- Fremont14
- Hollis14
- Hudson14
- Lee14
- Madbury14
- Meredith14
- Rollinsford14
- Sandown14
- Windham14
- Alexandria13
- Allenstown13
- Alton13
- Andover13
- Antrim13
- Ashland13
- Auburn13
- Belknap13
- Belmont13
- Bennington13
- Blodgett Landing13
- Boscawen13
- Bradford13
- Bristol13
- Candia13
- Carroll13
- Charlestown13
- Cheshire13
- Chester13
- Chichester13
- Claremont13
- Colebrook13
- Contoocook13
- Danbury13
- Deering13
- Dublin13
- Dummer13
- Dunbarton13
- East Merrimack13
- Enfield13
- Epsom13
- Farmington13
- Fitzwilliam13
- Francestown13
- Franklin13
- Freedom13
- Gilmanton13
- Goffstown13
- Gorham13
- Grantham13
- Greenville13
- Groveton13
- Harrisville13
- Haverhill13
- Henniker13
- Hill13
- Hinsdale13
- Holderness13
- Hopkinton13
- Jaffrey13
- Jefferson13
- Klondike Corner13
- Lancaster13
- Lebanon13
- Lempster13
- Litchfield13
- Littleton13
- Loudon13
- Lyme13
- Lyndeborough13
- Madison13
- Marlborough13
- Mason13
- Merrimack13
- Milan13
- Milford13
- Milton13
- Moultonborough13
- New Boston13
- New Ipswich13
- New London13
- Newbury13
- Newport13
- North Conway13
- Northfield13
- Northwood13
- Nottingham13
- Ossipee13
- Pinardville13
- Pittsfield13
- Plymouth13
- Raymond13
- Rindge13
- Rochester13
- Rumney13
- Salisbury13
- Sandwich13
- Somersworth13
- South Hooksett13
- Springfield13
- Strafford13
- Stratford13
- Sullivan13
- Suncook13
- Swanzey13
- Tamworth13
- Temple13
- Thornton13
- Tilton13
- Tilton Northfield13
- Tuftonboro13
- Wakefield13
- Walpole13
- Warner13
- Weare13
- Webster13
- West Swanzey13
- Whitefield13
- Wilmot13
- Wilton13
- Winchester13
- Wolfeboro13
- Woodsville13
- Hampton Falls12
- Newton12
- Conway11
- Troy10
- Alstead8
- Bow7
- Effingham6
- Hooksett6
- Northumberland6
- Hillsborough3
- Amherst0
