Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 13:07, Sep 28
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?
- Rye30
- Peterborough29
- Portsmouth29
- Londonderry28
- Woodstock28
- Nashua26
- Keene25
- Effingham24
- Greens24
- Hooksett24
- Concord22
- Haverhill10
- Lebanon10
- Littleton10
- Lyme10
- Stratford10
- Woodsville10
- Alexandria9
- Alton9
- Ashland9
- Belknap9
- Bristol9
- Carroll9
- Claremont9
- Colebrook9
- Danbury9
- Enfield9
- Freedom9
- Gilmanton9
- Grantham9
- Groveton9
- Hill9
- Holderness9
- Jefferson9
- Lancaster9
- Lincoln9
- Madison9
- Meredith9
- Milton9
- Moultonborough9
- New London9
- North Conway9
- Northumberland9
- Ossipee9
- Plymouth9
- Rumney9
- Springfield9
- Tamworth9
- Thornton9
- Tuftonboro9
- Wakefield9
- Warren9
- Whitefield9
- Wilmot9
- Wolfeboro9
- Allenstown8
- Alstead8
- Amherst8
- Andover8
- Antrim8
- Atkinson8
- Auburn8
- Barnstead8
- Belmont8
- Bennington8
- Berlin8
- Blodgett Landing8
- Boscawen8
- Bradford8
- Brentwood8
- Brookline8
- Candia8
- Charlestown8
- Chester8
- Chichester8
- Contoocook8
- Danville8
- Deering8
- Derry8
- Dublin8
- Dummer8
- Dunbarton8
- Durham8
- East Kingston8
- East Merrimack8
- Epping8
- Epsom8
- Exeter8
- Farmington8
- Francestown8
- Franklin8
- Fremont8
- Goffstown8
- Gorham8
- Greenville8
- Hampstead8
- Harrisville8
- Henniker8
- Hollis8
- Hopkinton8
- Hudson8
- Kensington8
- Kingston8
- Klondike Corner8
- Lee8
- Lempster8
- Litchfield8
- Loudon8
- Lyndeborough8
- Madbury8
- Mason8
- Merrimack8
- Milan8
- Milford8
- New Boston8
- Newbury8
- Newfields8
- Newmarket8
- Newport8
- Northfield8
- Northwood8
- Nottingham8
- Pinardville8
- Pittsfield8
- Plaistow8
- Randolph8
- Raymond8
- Rochester8
- Rockingham8
- Rollinsford8
- Salisbury8
- Sandown8
- Somersworth8
- South Hooksett8
- Strafford8
- Stratham8
- Sullivan8
- Suncook8
- Temple8
- Tilton8
- Tilton Northfield8
- Walpole8
- Warner8
- Weare8
- Webster8
- Wilton8
- Windham8
- Cheshire7
- Fitzwilliam7
- Hampton7
- Hampton Falls7
- Hinsdale7
- Jaffrey7
- Marlborough7
- New Castle7
- New Ipswich7
- North Hampton7
- Rindge7
- Seabrook7
- Swanzey7
- Troy7
- West Swanzey7
- Winchester7
- Bethlehem6
- Franconia6
- Hampton Beach6
- Sutton6
- Grafton County5
- Hanover4
- Laconia4
- Canterbury3
- Chesterfield3
- Bow2
- Conway2
- Gilford2
- Manchester2
- New Hampton2
- Pembroke2
- Barrington1
- Campton1
- Center Harbor1
- Dover1
- Hillsborough1
- Pittsburg1
- Pelham0
- Salem0
- Sandwich0
