Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 00:23, May 09
1 stations sponsored by IQAir Foundation
1 stations sponsored by IQAir Foundation
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Learn more about global air quality
Which is the most polluted city in New Hampshire?
- Nashua37
- Suncook36
- Peterborough35
- Keene33
- Rockingham32
- Bradford31
- Concord31
- Laconia31
- Londonderry29
- Portsmouth29
- Exeter28
- Newton28
- Warren28
- Dover27
- Hollis22
- Mason22
- Barrington21
- Fitzwilliam21
- Greenville21
- Hinsdale21
- Hudson21
- New Ipswich21
- Pelham21
- Rindge21
- Swanzey21
- West Swanzey21
- Winchester21
- Jaffrey20
- Litchfield20
- Milford20
- Salem20
- Temple20
- Troy20
- Wilton20
- Windham20
- Amherst19
- Atkinson19
- Brentwood19
- Cheshire19
- Derry19
- Dublin19
- East Merrimack19
- Harrisville19
- Lyndeborough19
- Marlborough19
- Merrimack19
- Antrim18
- Auburn18
- Bennington18
- Candia18
- Charlestown18
- Chester18
- Danville18
- Deering18
- Dunbarton18
- Francestown18
- Gilford18
- Goffstown18
- Hampstead18
- Henniker18
- Hooksett18
- Hopkinton18
- Kingston18
- Klondike Corner18
- New Boston18
- Pinardville18
- Plaistow18
- Randolph18
- Sandown18
- South Hooksett18
- Walpole18
- Weare18
- Alexandria17
- Allenstown17
- Andover17
- Ashland17
- Belknap17
- Belmont17
- Berlin17
- Blodgett Landing17
- Boscawen17
- Bristol17
- Chesterfield17
- Chichester17
- Claremont17
- Contoocook17
- Danbury17
- Dummer17
- East Kingston17
- Enfield17
- Epping17
- Epsom17
- Franklin17
- Fremont17
- Gilmanton17
- Gorham17
- Grantham17
- Hampton17
- Hampton Beach17
- Hampton Falls17
- Hanover17
- Hill17
- Kensington17
- Lebanon17
- Lempster17
- Loudon17
- Lyme17
- Milan17
- Moultonborough17
- New Hampton17
- New London17
- Newbury17
- Newfields17
- Newport17
- Northfield17
- Northwood17
- Nottingham17
- Pembroke17
- Pittsfield17
- Plymouth17
- Raymond17
- Salisbury17
- Seabrook17
- Springfield17
- Sullivan17
- Tilton17
- Tilton Northfield17
- Warner17
- Webster17
- Wilmot17
- Alton16
- Barnstead16
- Bethlehem16
- Carroll16
- Durham16
- Effingham16
- Farmington16
- Freedom16
- Groveton16
- Haverhill16
- Holderness16
- Jefferson16
- Lee16
- Littleton16
- Madbury16
- Madison16
- Manchester16
- Meredith16
- Milton16
- Newmarket16
- North Conway16
- North Hampton16
- Ossipee16
- Rochester16
- Rollinsford16
- Rumney16
- Somersworth16
- Strafford16
- Stratford16
- Stratham16
- Tamworth16
- Thornton16
- Tuftonboro16
- Wakefield16
- Whitefield16
- Wolfeboro16
- Woodstock16
- Woodsville16
- Lancaster15
- New Castle15
- Brookline14
- Northumberland14
- Franconia13
- Bow12
- Grafton County12
- Canterbury10
- Hillsborough9
- Colebrook8
- Sandwich8
- Lincoln7
- Alstead4
