Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 15:03, Aug 18
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Wildfires in New Hampshire
Real-time information
Active fires
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Which is the most polluted city in New Hampshire?
- Hooksett60
- Dover55
- Manchester55
- Londonderry54
- Antrim53
- Bennington53
- Blodgett Landing53
- Bradford53
- Cheshire53
- Contoocook53
- Deering53
- Dublin53
- Dunbarton53
- East Merrimack53
- Fitzwilliam53
- Francestown53
- Goffstown53
- Greenville53
- Harrisville53
- Henniker53
- Hollis53
- Hopkinton53
- Hudson53
- Jaffrey53
- Klondike Corner53
- Lempster53
- Litchfield53
- Lyndeborough53
- Marlborough53
- Mason53
- Merrimack53
- Milford53
- New Boston53
- New Ipswich53
- New London53
- Newbury53
- Newport53
- Newton53
- Pinardville53
- Rindge53
- South Hooksett53
- Sullivan53
- Swanzey53
- Temple53
- Warner53
- Weare53
- Webster53
- West Swanzey53
- Wilton53
- Winchester53
- Woodsville53
- Alexandria52
- Allenstown52
- Andover52
- Ashland52
- Atkinson52
- Auburn52
- Belmont52
- Boscawen52
- Bristol52
- Candia52
- Charlestown52
- Chester52
- Chichester52
- Claremont52
- Colebrook52
- Concord52
- Danbury52
- Derry52
- Dummer52
- Enfield52
- Epsom52
- Franklin52
- Grantham52
- Groveton52
- Hampstead52
- Haverhill52
- Hill52
- Hinsdale52
- Holderness52
- Jefferson52
- Lancaster52
- Lebanon52
- Littleton52
- Loudon52
- Lyme52
- Northfield52
- Northumberland52
- Pelham52
- Pembroke52
- Plymouth52
- Rumney52
- Salem52
- Salisbury52
- Sandown52
- Springfield52
- Stratford52
- Suncook52
- Thornton52
- Tilton52
- Tilton Northfield52
- Walpole52
- Whitefield52
- Wilmot52
- Windham52
- Belknap51
- Danville51
- Fremont51
- Gilmanton51
- Gorham51
- Kingston51
- Milan51
- Moultonborough51
- Northwood51
- Pittsfield51
- Plaistow51
- Raymond51
- Rockingham51
- Greens50
- Nottingham50
- Brentwood49
- East Kingston49
- Epping49
- Tamworth49
- Tuftonboro49
- Alton48
- Exeter48
- Kensington48
- Carroll47
- Farmington47
- Lee47
- Lincoln47
- Madison47
- Newfields47
- North Conway47
- Ossipee47
- Strafford47
- Wolfeboro47
- Durham46
- Freedom46
- Madbury46
- Milton46
- Newmarket46
- Rochester46
- Stratham46
- Warren46
- Seabrook45
- Wakefield45
- Hampton44
- Hampton Beach44
- North Hampton44
- Somersworth44
- New Castle43
- Rollinsford43
- Rye43
- Nashua39
- New Hampton34
- Barnstead32
- Sutton32
- Hanover30
- Bow29
- Chesterfield29
- Keene29
- Portsmouth28
- Barrington27
- Canterbury26
- Peterborough25
- Alstead24
- Franconia24
- Bethlehem23
- Grafton County23
- Pittsburg23
- Woodstock23
- Effingham22
- Troy22
- Hillsborough21
- Brookline19
- Campton19
- Center Harbor18
- Laconia18
- Randolph18
- Amherst16
- Hampton Falls16
- Berlin15
- Sandwich14
- Gilford13
- Meredith10
- Conway9
