Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 21:24, Oct 29
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?
- Effingham54
- Keene53
- Pelham53
- Manchester52
- Center Harbor48
- Nashua47
- Bow42
- Hooksett35
- Antrim33
- Bennington33
- Cheshire33
- Derry33
- Dublin33
- East Merrimack33
- Fitzwilliam33
- Francestown33
- Greenville33
- Harrisville33
- Hinsdale33
- Hollis33
- Hudson33
- Jaffrey33
- Klondike Corner33
- Litchfield33
- Lyndeborough33
- Marlborough33
- Mason33
- Merrimack33
- Milford33
- New Boston33
- New Ipswich33
- Rindge33
- Swanzey33
- Temple33
- Troy33
- West Swanzey33
- Wilton33
- Winchester33
- Windham33
- Atkinson32
- Auburn32
- Deering32
- Hampstead32
- Pembroke32
- Plaistow32
- Walpole32
- Candia31
- Charlestown31
- Chester31
- Danville31
- Goffstown31
- Henniker31
- Kingston31
- Pinardville31
- Sandown31
- South Hooksett31
- Weare31
- Allenstown30
- Andover30
- Blodgett Landing30
- Boscawen30
- Bradford30
- Brentwood30
- Chichester30
- Claremont30
- Concord30
- Contoocook30
- Dunbarton30
- East Kingston30
- Epping30
- Epsom30
- Fremont30
- Grantham30
- Hopkinton30
- Lempster30
- Loudon30
- New London30
- Newbury30
- Newport30
- Northwood30
- Nottingham30
- Pittsfield30
- Raymond30
- Rockingham30
- Salisbury30
- Sullivan30
- Suncook30
- Warner30
- Webster30
- Wilmot30
- Belmont29
- Danbury29
- Enfield29
- Franklin29
- Gilmanton29
- Hill29
- Kensington29
- Northfield29
- Springfield29
- Tilton29
- Tilton Northfield29
- Alexandria28
- Belknap28
- Bristol28
- Hampton28
- Hampton Beach28
- Lebanon28
- Lee28
- Newfields28
- Newmarket28
- Seabrook28
- Stratham28
- Alton27
- Ashland27
- Barnstead27
- Brookline27
- Durham27
- Farmington27
- Hanover27
- Holderness27
- Lincoln27
- Lyme27
- Madbury27
- New Castle27
- North Hampton27
- Plymouth27
- Rochester27
- Rumney27
- Rye27
- Strafford27
- Bethlehem26
- Carroll26
- Franconia26
- Freedom26
- Haverhill26
- Laconia26
- Littleton26
- Madison26
- Milton26
- Moultonborough26
- North Conway26
- Ossipee26
- Peterborough26
- Rollinsford26
- Somersworth26
- Tamworth26
- Thornton26
- Tuftonboro26
- Wakefield26
- Whitefield26
- Wolfeboro26
- Woodsville26
- Gorham25
- Greens25
- Jefferson25
- Lancaster25
- Berlin24
- Colebrook24
- Dummer24
- Grafton County24
- Groveton24
- Milan24
- Stratford24
- Hillsborough23
- Portsmouth22
- Chesterfield21
- Exeter21
- Randolph19
- Warren19
- Londonderry18
- Meredith18
- Newton18
- Dover17
- Gilford17
- Sutton17
- Woodstock16
- Barrington13
- New Hampton13
- Pittsburg13
- Sandwich12
- Salem11
- Alstead10
- Northumberland7
- Canterbury6
- Amherst2
- Hampton Falls2
