Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 15:20, Sep 21
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?
- Blodgett Landing46
- Charlestown46
- Claremont46
- Grantham46
- Lebanon46
- Lempster46
- New London46
- Newbury46
- Newport46
- Sullivan46
- Walpole46
- Antrim45
- Bradford45
- Cheshire45
- Enfield45
- Harrisville45
- Haverhill45
- Hinsdale45
- Lyme45
- Marlborough45
- Springfield45
- Swanzey45
- West Swanzey45
- Wilmot45
- Winchester45
- Woodsville45
- Alexandria44
- Andover44
- Bennington44
- Danbury44
- Deering44
- Dublin44
- Fitzwilliam44
- Henniker44
- Jaffrey44
- Rumney44
- Warner44
- Bristol43
- Contoocook43
- Francestown43
- Hill43
- Hopkinton43
- Littleton43
- Plymouth43
- Rindge43
- Salisbury43
- Webster43
- Ashland42
- Boscawen42
- Franklin42
- Holderness42
- Northfield42
- Temple42
- Thornton42
- Tilton42
- Tilton Northfield42
- Weare42
- Concord41
- Dunbarton41
- Lyndeborough41
- New Boston41
- New Ipswich41
- Wilton41
- Belmont40
- Greenville40
- Klondike Corner40
- Belknap39
- Chichester39
- Gilmanton39
- Goffstown39
- Loudon39
- Mason39
- Milford39
- Moultonborough39
- Pinardville39
- Suncook39
- Tuftonboro39
- Allenstown38
- Alton38
- Amherst38
- Auburn38
- Candia38
- Carroll38
- Epsom38
- Pittsfield38
- South Hooksett38
- Tamworth38
- Whitefield38
- East Merrimack37
- Groveton37
- Hollis37
- Jefferson37
- Lancaster37
- Litchfield37
- Madison37
- Merrimack37
- Northwood37
- Ossipee37
- Wolfeboro37
- Chester36
- Freedom36
- Gorham36
- Greens36
- North Conway36
- Nottingham36
- Raymond36
- Stratford36
- Dummer35
- Milan35
- Colebrook34
- Derry34
- Farmington34
- Hudson34
- Milton34
- Wakefield34
- Epping33
- Fremont33
- Rochester33
- Sandown33
- Strafford33
- Windham33
- Hampstead32
- Lee32
- Rockingham32
- Atkinson31
- Brentwood31
- Danville31
- Madbury31
- Durham30
- Kingston30
- Newfields30
- Newmarket30
- Plaistow29
- Somersworth29
- East Kingston28
- Rollinsford28
- Kensington27
- Stratham27
- Peterborough25
- Rye24
- Hampton23
- North Hampton23
- Seabrook23
- Hampton Beach22
- New Castle22
- Sutton22
- Portsmouth21
- Lincoln20
- Londonderry19
- Barrington18
- Campton18
- Exeter18
- Nashua18
- New Hampton18
- Grafton County17
- Bethlehem16
- Center Harbor16
- Franconia16
- Warren15
- Berlin14
- Laconia13
- Dover12
- Chesterfield11
- Randolph11
- Hanover10
- Sandwich10
- Canterbury9
- Keene9
- Pembroke9
- Meredith8
- Woodstock7
- Effingham6
- Hooksett6
- Pelham6
- Conway4
- Alstead3
- Gilford3
- Northumberland3
- Bow2
- Hampton Falls2
- Hillsborough2
- Newton2
- Troy2
- Brookline1
- Salem1
- Barnstead0
