Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 05:33, Aug 21
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?
- Hooksett60
- Effingham56
- Portsmouth56
- Amherst55
- Hillsborough54
- New Hampton54
- Sutton52
- Dover51
- Manchester51
- Hampton49
- Hampton Beach49
- Plaistow49
- Seabrook49
- Atkinson48
- Chesterfield48
- East Kingston48
- Kensington48
- North Hampton48
- Rye48
- Danville47
- Gilford47
- Hampstead47
- Hudson47
- Kingston47
- Laconia47
- Lincoln47
- New Castle47
- Newton47
- Windham47
- Brentwood46
- Derry46
- Grafton County46
- Hollis46
- Keene46
- Nashua46
- Sandown46
- Stratham46
- East Merrimack45
- Greenville45
- Litchfield45
- Mason45
- Merrimack45
- Milford45
- New Ipswich45
- Rockingham45
- Auburn44
- Center Harbor44
- Chester44
- Exeter44
- Fitzwilliam44
- Fremont44
- Hanover44
- Jaffrey44
- Lyndeborough44
- Newfields44
- Pelham44
- Rindge44
- Temple44
- Wilton44
- Candia43
- Epping43
- Goffstown43
- Klondike Corner43
- New Boston43
- Newmarket43
- Pinardville43
- Raymond43
- South Hooksett43
- Warren43
- Barnstead42
- Dublin42
- Durham42
- Lee42
- Nottingham42
- Allenstown41
- Francestown41
- Londonderry41
- Madbury41
- Meredith41
- Weare41
- Bennington40
- Dunbarton40
- Rollinsford40
- Troy40
- Brookline39
- Canterbury39
- Epsom39
- Harrisville39
- Marlborough39
- Northwood39
- Pembroke39
- Somersworth39
- Suncook39
- Bow38
- Deering38
- Woodstock38
- Alstead37
- Antrim37
- Berlin37
- Campton37
- Chichester37
- Hopkinton37
- Pittsfield37
- Rochester37
- Sandwich37
- Strafford37
- Bethlehem36
- Concord36
- Loudon36
- Peterborough36
- Winchester36
- Cheshire35
- Henniker35
- Swanzey35
- Contoocook34
- Farmington34
- Franconia34
- Hinsdale34
- Randolph34
- West Swanzey34
- Milton33
- Pittsburg32
- Webster32
- Boscawen31
- Bradford31
- Wakefield31
- Alton30
- Gilmanton30
- Warner30
- Belknap29
- Belmont29
- Freedom29
- Northfield29
- Salisbury29
- Tilton Northfield29
- Walpole29
- Wolfeboro29
- Andover28
- Blodgett Landing28
- Carroll28
- Charlestown28
- Claremont28
- Danbury28
- Franklin28
- Hill28
- Lempster28
- Madison28
- Moultonborough28
- New London28
- Newbury28
- Newport28
- North Conway28
- Ossipee28
- Springfield28
- Sullivan28
- Tamworth28
- Tilton28
- Tuftonboro28
- Wilmot28
- Alexandria27
- Ashland27
- Bristol27
- Conway27
- Enfield27
- Grantham27
- Greens27
- Holderness27
- Lebanon27
- Lyme27
- Plymouth27
- Rumney27
- Thornton27
- Salem26
- Gorham24
- Hampton Falls23
- Haverhill23
- Barrington21
- Colebrook21
- Dummer21
- Jefferson21
- Milan21
- Whitefield21
- Woodsville21
- Groveton20
- Lancaster20
- Northumberland20
- Stratford20
- Littleton19
