Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 11:00, Sep 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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Learn more about global air quality
Which is the most polluted city in New Hampshire?
- Barrington31
- Exeter31
- Warren31
- Lincoln28
- Effingham26
- Hooksett24
- Portsmouth24
- Charlestown21
- Hinsdale20
- Walpole20
- Alstead19
- Claremont19
- Enfield19
- Grantham19
- Lebanon19
- Lempster19
- Newport19
- Sullivan19
- Swanzey19
- West Swanzey19
- Winchester19
- Antrim18
- Blodgett Landing18
- Cheshire18
- Dublin18
- Fitzwilliam18
- Greenville18
- Harrisville18
- Hollis18
- Hudson18
- Jaffrey18
- Lyme18
- Marlborough18
- Mason18
- New Ipswich18
- Pelham18
- Peterborough18
- Rindge18
- Springfield18
- Temple18
- Troy18
- Wilton18
- Bennington17
- Bradford17
- Francestown17
- Laconia17
- Litchfield17
- Lyndeborough17
- Merrimack17
- Milford17
- New London17
- Newbury17
- Windham17
- Atkinson16
- Auburn16
- Deering16
- Derry16
- Dunbarton16
- East Merrimack16
- Goffstown16
- Hampstead16
- Haverhill16
- Henniker16
- Klondike Corner16
- Londonderry16
- Manchester16
- Nashua16
- New Boston16
- Pinardville16
- Plaistow16
- South Hooksett16
- Warner16
- Weare16
- Wilmot16
- Woodsville16
- Bow15
- Candia15
- Chester15
- Contoocook15
- Hopkinton15
- Sandown15
- Alexandria14
- Allenstown14
- Andover14
- Boscawen14
- Concord14
- Danbury14
- Danville14
- East Kingston14
- Hill14
- Kingston14
- Newton14
- Salisbury14
- Suncook14
- Webster14
- Woodstock14
- Ashland13
- Brentwood13
- Bristol13
- Canterbury13
- Chichester13
- Epsom13
- Franklin13
- Fremont13
- Kensington13
- Littleton13
- Northfield13
- Plymouth13
- Raymond13
- Rockingham13
- Rumney13
- Seabrook13
- Thornton13
- Tilton13
- Tilton Northfield13
- Colebrook12
- Epping12
- Groveton12
- Hampton12
- Hampton Beach12
- Hampton Falls12
- Holderness12
- Jefferson12
- Lancaster12
- Loudon12
- Northwood12
- Nottingham12
- Pittsfield12
- Stratford12
- Whitefield12
- Barnstead11
- Belknap11
- Belmont11
- Berlin11
- Dummer11
- Gilmanton11
- Lee11
- Newfields11
- Newmarket11
- North Hampton11
- Randolph11
- Stratham11
- Alton10
- Carroll10
- Durham10
- Farmington10
- Gilford10
- Keene10
- Madbury10
- Milan10
- Milton10
- Moultonborough10
- New Castle10
- Ossipee10
- Rochester10
- Rollinsford10
- Rye10
- Sandwich10
- Somersworth10
- Strafford10
- Tamworth10
- Tuftonboro10
- Wakefield10
- Wolfeboro10
- Conway9
- Freedom9
- Gorham9
- Greens9
- Madison9
- North Conway9
- New Hampton8
- Sutton6
- Bethlehem5
- Grafton County5
- Chesterfield3
- Northumberland3
- Center Harbor2
- Franconia2
- Pembroke2
- Dover1
- Hillsborough1
- Amherst0
- Brookline0
- Campton0
- Pittsburg0
- Salem0
