Air quality in New Hampshire
Air quality index (AQI⁺) and PM2.5 air pollution in New Hampshire • 18:17, Sep 23
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?
- Peterborough20
- Londonderry19
- Pembroke19
- Sutton19
- Bethlehem18
- Laconia18
- Nashua18
- Portsmouth17
- Randolph17
- Rye17
- Barrington16
- Franconia16
- Grafton County16
- Keene16
- Manchester16
- Pittsburg16
- New Hampton15
- Woodstock15
- Greens14
- Warren14
- Alexandria13
- Alton13
- Andover13
- Antrim13
- Ashland13
- Belknap13
- Belmont13
- Bennington13
- Blodgett Landing13
- Boscawen13
- Bradford13
- Bristol13
- Canterbury13
- Carroll13
- Center Harbor13
- Charlestown13
- Cheshire13
- Chichester13
- Claremont13
- Concord13
- Contoocook13
- Danbury13
- Deering13
- Dublin13
- Dunbarton13
- Enfield13
- Epsom13
- Exeter13
- Farmington13
- Francestown13
- Franklin13
- Freedom13
- Gilmanton13
- Grantham13
- Harrisville13
- Haverhill13
- Henniker13
- Hill13
- Holderness13
- Hopkinton13
- Jefferson13
- Lancaster13
- Lebanon13
- Lempster13
- Lincoln13
- Littleton13
- Loudon13
- Lyme13
- Madison13
- Marlborough13
- Milton13
- Moultonborough13
- New Castle13
- New London13
- Newbury13
- Newport13
- Newton13
- North Conway13
- Northfield13
- Northwood13
- Ossipee13
- Pittsfield13
- Plymouth13
- Rochester13
- Rollinsford13
- Rumney13
- Salem13
- Salisbury13
- Sandwich13
- Somersworth13
- Springfield13
- Strafford13
- Sullivan13
- Suncook13
- Swanzey13
- Tamworth13
- Thornton13
- Tilton13
- Tilton Northfield13
- Tuftonboro13
- Wakefield13
- Walpole13
- Warner13
- Weare13
- Webster13
- West Swanzey13
- Whitefield13
- Wilmot13
- Wolfeboro13
- Woodsville13
- Allenstown12
- Alstead12
- Chesterfield12
- Goffstown12
- Groveton12
- Hanover12
- Brookline11
- Hampton Beach11
- Hinsdale11
- Jaffrey11
- Lyndeborough11
- Madbury11
- New Boston11
- North Hampton11
- Pinardville11
- South Hooksett11
- Stratford11
- Candia10
- Durham10
- Hampton10
- Klondike Corner10
- Seabrook10
- Winchester10
- Atkinson9
- Auburn9
- Brentwood9
- Chester9
- Colebrook9
- Danville9
- Derry9
- Dummer9
- East Kingston9
- East Merrimack9
- Epping9
- Fitzwilliam9
- Fremont9
- Gorham9
- Greenville9
- Hampstead9
- Hollis9
- Hudson9
- Kensington9
- Kingston9
- Lee9
- Litchfield9
- Mason9
- Meredith9
- Merrimack9
- Milan9
- Milford9
- New Ipswich9
- Newfields9
- Newmarket9
- Nottingham9
- Pelham9
- Plaistow9
- Raymond9
- Rindge9
- Rockingham9
- Sandown9
- Stratham9
- Temple9
- Wilton9
- Windham9
- Bow8
- Barnstead7
- Dover7
- Gilford6
- Troy4
- Campton3
- Conway3
- Northumberland3
- Hillsborough2
- Amherst0
- Effingham0
- Hooksett0
