Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 11:00, Nov 01
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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Learn more about global air quality
Which is the most polluted city in New Hampshire?
- Newton62
- Keene55
- Pelham55
- Exeter52
- Warren52
- Lincoln51
- Pembroke51
- Manchester38
- Nashua38
- Center Harbor36
- Fitzwilliam33
- Hinsdale33
- Hooksett33
- Winchester33
- Jaffrey32
- Marlborough32
- Mason32
- New Ipswich32
- Rindge32
- Swanzey32
- Troy32
- West Swanzey32
- Charlestown31
- Cheshire31
- Claremont31
- Dublin31
- Greenville31
- Harrisville31
- Hollis31
- Temple31
- Walpole31
- Wilton31
- Antrim30
- Bennington30
- Lempster30
- Lyndeborough30
- Milford30
- Blodgett Landing29
- Bradford29
- Deering29
- Enfield29
- Francestown29
- Grantham29
- Hanover29
- Lebanon29
- New London29
- Newbury29
- Newport29
- Salem29
- Sullivan29
- Franconia28
- Henniker28
- Hudson28
- Klondike Corner28
- Litchfield28
- Merrimack28
- New Boston28
- Springfield28
- Wilmot28
- Danbury27
- East Merrimack27
- Hopkinton27
- Lyme27
- Peterborough27
- Warner27
- Weare27
- Alexandria26
- Andover26
- Contoocook26
- Dunbarton26
- Goffstown26
- Londonderry26
- Pinardville26
- Portsmouth26
- Salisbury26
- Sutton26
- Webster26
- Windham26
- Boscawen25
- Concord25
- Derry25
- Dover25
- Haverhill25
- Hill25
- South Hooksett25
- Woodsville25
- Allenstown24
- Atkinson24
- Auburn24
- Bristol24
- Candia24
- Chester24
- Danville24
- Franklin24
- Hampstead24
- Northfield24
- Plaistow24
- Plymouth24
- Rumney24
- Sandown24
- Suncook24
- Tilton24
- Tilton Northfield24
- Ashland23
- Belmont23
- Brentwood23
- Chichester23
- East Kingston23
- Effingham23
- Epsom23
- Fremont23
- Hampton23
- Hampton Beach23
- Kensington23
- Kingston23
- Loudon23
- Raymond23
- Rockingham23
- Seabrook23
- Thornton23
- Belknap22
- Bethlehem22
- Epping22
- Gilmanton22
- Holderness22
- Littleton22
- Newfields22
- North Hampton22
- Northwood22
- Nottingham22
- Pittsfield22
- Stratham22
- Woodstock22
- Alton21
- Colebrook21
- Durham21
- Groveton21
- Lancaster21
- Lee21
- Madbury21
- Moultonborough21
- New Castle21
- Newmarket21
- Rye21
- Stratford21
- Whitefield21
- Farmington20
- Jefferson20
- Rochester20
- Strafford20
- Tuftonboro20
- Berlin19
- Dummer19
- Gorham19
- Meredith19
- Milan19
- Milton19
- Rollinsford19
- Somersworth19
- Tamworth19
- Wolfeboro19
- Barnstead18
- Carroll18
- Greens18
- Madison18
- Ossipee18
- Wakefield18
- Freedom17
- Gilford17
- Laconia17
- North Conway17
- Campton14
- Brookline13
- Chesterfield13
- Hampton Falls13
- New Hampton13
- Canterbury12
- Barrington11
- Conway11
- Grafton County11
- Pittsburg11
- Bow9
- Sandwich8
- Hillsborough6
- Randolph6
- Alstead2
- Amherst0
- Northumberland0
