Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 03:28, Oct 12
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?
- Conway43
- Lincoln34
- Hooksett29
- Hudson29
- Keene29
- Warren29
- Brookline28
- Portsmouth28
- Windham28
- Atkinson27
- Derry27
- Effingham27
- Hampstead27
- Hollis27
- Peterborough27
- Plaistow27
- Litchfield26
- Danville25
- Kingston25
- Sandown25
- Auburn24
- Brentwood24
- Chester24
- East Kingston24
- East Merrimack24
- Epping24
- Fremont24
- Kensington24
- Merrimack24
- Newfields24
- Pelham24
- Pembroke24
- Raymond24
- Rockingham24
- Seabrook24
- Sutton24
- Candia23
- Exeter23
- Hampton23
- Hampton Beach23
- Lee23
- Manchester23
- Milford23
- Newmarket23
- Newton23
- Nottingham23
- South Hooksett23
- Stratham23
- Campton22
- Durham22
- Mason22
- North Hampton22
- Allenstown21
- Greenville21
- Madbury21
- Nashua21
- New Castle21
- Northwood21
- Pinardville21
- Rochester21
- Rollinsford21
- Rye21
- Somersworth21
- Strafford21
- Farmington20
- Franconia20
- Goffstown20
- Klondike Corner20
- Pittsburg20
- Wilton20
- Bow19
- Epsom19
- Lyndeborough19
- Milton19
- New Boston19
- New Ipswich19
- Pittsfield19
- Suncook19
- Chichester18
- Concord18
- Dunbarton18
- Francestown18
- Londonderry18
- Loudon18
- Temple18
- Wakefield18
- Weare18
- Alton17
- Bennington17
- Colebrook17
- Deering17
- Dover17
- Dublin17
- Gilmanton17
- Groveton17
- Hopkinton17
- Jaffrey17
- Rindge17
- Stratford17
- Wolfeboro17
- Amherst16
- Antrim16
- Boscawen16
- Canterbury16
- Contoocook16
- Dummer16
- Fitzwilliam16
- Harrisville16
- Henniker16
- Hillsborough16
- Laconia16
- Meredith16
- Troy16
- Belknap15
- Belmont15
- Lancaster15
- Marlborough15
- Milan15
- Northfield15
- Ossipee15
- Tuftonboro15
- Webster15
- Alexandria14
- Andover14
- Ashland14
- Barnstead14
- Berlin14
- Bradford14
- Bristol14
- Carroll14
- Cheshire14
- Danbury14
- Franklin14
- Freedom14
- Gilford14
- Gorham14
- Greens14
- Hanover14
- Haverhill14
- Hill14
- Hinsdale14
- Holderness14
- Jefferson14
- Lempster14
- Littleton14
- Madison14
- Moultonborough14
- North Conway14
- Plymouth14
- Randolph14
- Rumney14
- Salisbury14
- Swanzey14
- Tamworth14
- Thornton14
- Tilton14
- Tilton Northfield14
- Walpole14
- Warner14
- West Swanzey14
- Whitefield14
- Winchester14
- Woodsville14
- Blodgett Landing13
- Charlestown13
- Claremont13
- Enfield13
- Grafton County13
- Grantham13
- Lebanon13
- Lyme13
- New London13
- Newbury13
- Newport13
- Springfield13
- Sullivan13
- Wilmot13
- Woodstock13
- Bethlehem12
- Hampton Falls12
- Sandwich12
- Center Harbor11
- Chesterfield11
- Salem10
- Barrington9
- Alstead7
- Northumberland3
