Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 22:42, Oct 28
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?
- Center Harbor56
- Keene54
- Effingham53
- Bow52
- Dover52
- Manchester52
- Pembroke50
- Nashua39
- Pelham36
- Hooksett33
- Fitzwilliam32
- Winchester32
- Antrim31
- Bennington31
- Cheshire31
- Dublin31
- Francestown31
- Greenville31
- Harrisville31
- Hinsdale31
- Hollis31
- Hudson31
- Jaffrey31
- Klondike Corner31
- Litchfield31
- Lyndeborough31
- Marlborough31
- Mason31
- Merrimack31
- Milford31
- New Boston31
- New Ipswich31
- Peterborough31
- Rindge31
- Swanzey31
- Temple31
- Troy31
- West Swanzey31
- Wilton31
- Deering30
- East Merrimack30
- Allenstown29
- Atkinson29
- Auburn29
- Brentwood29
- Brookline29
- Candia29
- Chester29
- Danville29
- Derry29
- Dunbarton29
- East Kingston29
- Epping29
- Fremont29
- Goffstown29
- Hampstead29
- Hampton29
- Hampton Beach29
- Henniker29
- Kensington29
- Kingston29
- North Hampton29
- Pinardville29
- Plaistow29
- Raymond29
- Rockingham29
- Sandown29
- Seabrook29
- South Hooksett29
- Walpole29
- Weare29
- Windham29
- Bradford28
- Chichester28
- Concord28
- Contoocook28
- Durham28
- Epsom28
- Hopkinton28
- Lee28
- Madbury28
- New Castle28
- Newfields28
- Newmarket28
- Northwood28
- Nottingham28
- Pittsfield28
- Rollinsford28
- Rye28
- Stratham28
- Suncook28
- Warner28
- Blodgett Landing27
- Boscawen27
- Charlestown27
- Claremont27
- Farmington27
- Lempster27
- Loudon27
- Milton27
- Newbury27
- Newport27
- Rochester27
- Salisbury27
- Somersworth27
- Strafford27
- Sullivan27
- Webster27
- Alton26
- Andover26
- Belknap26
- Belmont26
- Franklin26
- Gilmanton26
- New London26
- Northfield26
- Tilton26
- Tilton Northfield26
- Wilmot26
- Alexandria25
- Bristol25
- Danbury25
- Enfield25
- Grantham25
- Hanover25
- Hill25
- Lebanon25
- Portsmouth25
- Springfield25
- Ashland24
- Holderness24
- Lyme24
- Plymouth24
- Rumney24
- Tuftonboro24
- Wakefield24
- Wolfeboro24
- Haverhill23
- Moultonborough23
- Ossipee23
- Thornton23
- Woodsville23
- Bethlehem22
- Carroll22
- Franconia22
- Freedom22
- Grafton County22
- Lancaster22
- Littleton22
- Madison22
- Tamworth22
- Whitefield22
- Berlin21
- Colebrook21
- Dummer21
- Gorham21
- Greens21
- Groveton21
- Jefferson21
- Lincoln21
- Milan21
- North Conway21
- Stratford21
- Amherst20
- Laconia19
- Newton19
- Woodstock18
- Exeter17
- Randolph17
- Sutton17
- Warren17
- Barnstead16
- Chesterfield16
- Gilford16
- Hillsborough16
- Londonderry15
- Meredith15
- Pittsburg14
- Barrington13
- Salem13
- Sandwich13
- New Hampton12
- Alstead10
- Northumberland8
- Canterbury6
- Hampton Falls3
