Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 20:19, Sep 25
Live most polluted city ranking
Real-time New Hampshire most polluted city ranking
Wildfires in New Hampshire
Real-time information
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Which is the most polluted city in New Hampshire?
- Laconia31
- Peterborough30
- Londonderry28
- New Hampton28
- Portsmouth28
- Center Harbor27
- Manchester27
- Pelham27
- Sutton27
- Bethlehem26
- Campton26
- Canterbury26
- Franconia25
- Gilford24
- Grafton County24
- Keene24
- Nashua24
- Pembroke24
- Pittsburg24
- Randolph24
- Newton23
- Woodstock23
- Barnstead22
- Chesterfield22
- Hanover22
- Sandwich22
- Alstead21
- Meredith21
- Troy21
- Brookline20
- Conway20
- Dover20
- Bow19
- Hillsborough19
- Northumberland19
- Berlin18
- Carroll18
- Freedom18
- Gorham18
- Greens18
- Jefferson18
- Lancaster18
- Littleton18
- Madison18
- Milan18
- North Conway18
- Tamworth18
- Whitefield18
- Alexandria17
- Alton17
- Andover17
- Ashland17
- Belknap17
- Belmont17
- Blodgett Landing17
- Bristol17
- Claremont17
- Danbury17
- Dummer17
- Enfield17
- Farmington17
- Franklin17
- Gilmanton17
- Grantham17
- Haverhill17
- Hill17
- Holderness17
- Lebanon17
- Lyme17
- Milton17
- Moultonborough17
- New London17
- Newport17
- Northfield17
- Ossipee17
- Plymouth17
- Rumney17
- Salisbury17
- Springfield17
- Sullivan17
- Thornton17
- Tilton17
- Tilton Northfield17
- Tuftonboro17
- Wakefield17
- Wilmot17
- Wolfeboro17
- Woodsville17
- Boscawen16
- Chichester16
- Concord16
- Contoocook16
- Loudon16
- Newbury16
- Northwood16
- Pittsfield16
- Rochester16
- Strafford16
- Warner16
- Webster16
- Allenstown15
- Antrim15
- Bennington15
- Bradford15
- Charlestown15
- Cheshire15
- Deering15
- Dublin15
- Dunbarton15
- Epsom15
- Francestown15
- Goffstown15
- Groveton15
- Harrisville15
- Henniker15
- Hinsdale15
- Hopkinton15
- Klondike Corner15
- Lempster15
- Marlborough15
- New Boston15
- Suncook15
- Swanzey15
- Walpole15
- Weare15
- West Swanzey15
- Winchester15
- Auburn14
- Candia14
- Fitzwilliam14
- Jaffrey14
- Lyndeborough14
- Nottingham14
- Pinardville14
- South Hooksett14
- Hampton Falls13
- Rindge13
- Temple13
- Wilton13
- Merrimack12
- Milford12
- Raymond12
- East Merrimack11
- Effingham11
- Hooksett11
- Stratford11
- Chester10
- Colebrook10
- Somersworth10
- Epping9
- Fremont9
- Greenville9
- Lee9
- Litchfield9
- Madbury9
- New Ipswich9
- Derry8
- Exeter8
- Lincoln8
- Mason8
- Rockingham8
- Rollinsford8
- Sandown8
- Warren8
- Brentwood7
- Danville7
- Durham7
- Hampstead7
- Hollis7
- Hudson7
- Newmarket7
- Windham7
- Atkinson6
- East Kingston6
- Hampton6
- Hampton Beach6
- Kensington6
- Kingston6
- New Castle6
- Newfields6
- North Hampton6
- Plaistow6
- Rye6
- Seabrook6
- Stratham6
- Amherst1
