Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 21:44, Sep 26
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?
- Rye39
- Portsmouth37
- Greens34
- Londonderry32
- Nashua31
- Peterborough30
- Woodstock28
- Keene27
- Campton26
- Laconia26
- Concord25
- Pittsburg25
- Franconia24
- Bethlehem23
- Sutton23
- Pembroke22
- Dover21
- Manchester21
- Barnstead20
- Chesterfield20
- Grafton County20
- Northumberland18
- Center Harbor17
- Hooksett17
- Randolph17
- Gilford16
- Hanover16
- Meredith16
- New Hampton16
- Bow14
- Pelham14
- Troy14
- Brookline13
- Barrington12
- Canterbury12
- Conway12
- Alstead11
- Colebrook11
- Effingham11
- Hillsborough11
- Sandwich11
- Stratford11
- Groveton10
- Alexandria9
- Allenstown9
- Alton9
- Andover9
- Ashland9
- Auburn9
- Belknap9
- Belmont9
- Berlin9
- Blodgett Landing9
- Boscawen9
- Bristol9
- Candia9
- Carroll9
- Chester9
- Chichester9
- Claremont9
- Contoocook9
- Danbury9
- Derry9
- Dummer9
- Dunbarton9
- East Merrimack9
- Enfield9
- Epsom9
- Exeter9
- Farmington9
- Franklin9
- Freedom9
- Fremont9
- Gilmanton9
- Goffstown9
- Gorham9
- Grantham9
- Haverhill9
- Hill9
- Holderness9
- Hopkinton9
- Jefferson9
- Lancaster9
- Lebanon9
- Lincoln9
- Littleton9
- Loudon9
- Lyme9
- Madison9
- Milan9
- Milton9
- Moultonborough9
- New London9
- Newbury9
- Newport9
- Newton9
- North Conway9
- Northfield9
- Northwood9
- Nottingham9
- Ossipee9
- Pinardville9
- Pittsfield9
- Plymouth9
- Raymond9
- Rochester9
- Rumney9
- Salisbury9
- Sandown9
- Somersworth9
- South Hooksett9
- Springfield9
- Strafford9
- Sullivan9
- Suncook9
- Tamworth9
- Thornton9
- Tilton9
- Tilton Northfield9
- Tuftonboro9
- Wakefield9
- Warner9
- Warren9
- Webster9
- Whitefield9
- Wilmot9
- Wolfeboro9
- Woodsville9
- Antrim8
- Atkinson8
- Bennington8
- Bradford8
- Brentwood8
- Charlestown8
- Cheshire8
- Danville8
- Deering8
- Dublin8
- Durham8
- East Kingston8
- Epping8
- Fitzwilliam8
- Francestown8
- Greenville8
- Hampstead8
- Hampton8
- Hampton Beach8
- Harrisville8
- Henniker8
- Hinsdale8
- Hollis8
- Hudson8
- Jaffrey8
- Kensington8
- Kingston8
- Klondike Corner8
- Lee8
- Lempster8
- Litchfield8
- Lyndeborough8
- Madbury8
- Marlborough8
- Mason8
- Merrimack8
- Milford8
- New Boston8
- New Castle8
- New Ipswich8
- Newfields8
- Newmarket8
- North Hampton8
- Plaistow8
- Rindge8
- Rockingham8
- Rollinsford8
- Seabrook8
- Stratham8
- Swanzey8
- Temple8
- Walpole8
- Weare8
- West Swanzey8
- Wilton8
- Winchester8
- Windham8
- Salem6
- Hampton Falls4
- Amherst3
