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  2. United States
  3. New Hampshire
  4. Grafton County

Grafton County

New Hampshire

2026-05-18 19:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.4
O3
μg/m³
101.8
Weather
  • ℃
  • ℉
23℃
44%
15 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
Places included
Alexandria
AQI 45
Ashland
AQI 44
Bath
AQI 42
Benton
AQI 42
Bethlehem
AQI 40
Bridgewater
AQI 44
Bristol
AQI 43
Campton
AQI 44
Canaan
AQI 51
Dorchester
AQI 47
Easton
AQI 41
Ellsworth
AQI 45
Enfield
AQI 51
Franconia
AQI 40
Grafton
AQI 46
Groton
AQI 46
Hanover
AQI 51
Haverhill
AQI 44
Hebron
AQI 46
Holderness
AQI 43
Landaff
AQI 41
Lebanon
AQI 54
Lincoln
AQI 41
Lisbon
AQI 41
Littleton
AQI 40
Livermore
AQI 40
Lyman
AQI 41
Lyme
AQI 51
Monroe
AQI 42
Orange
AQI 51
Orford
AQI 46
Piermont
AQI 46
Plymouth
AQI 45
Rumney
AQI 46
Sugar Hill
AQI 41
Thornton
AQI 43
Warren
AQI 44
Waterville Valley
AQI 41
Wentworth
AQI 46
Woodstock
AQI 38
Data Sources
http://www.airnow.gov/

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Cities Nearby

Warren
AQI 44
Ellsworth
AQI 45
Wentworth
AQI 46
Rumney
AQI 46
Thornton
AQI 43
Woodstock
AQI 38
Campton
AQI 44
Lincoln
AQI 41
Dorchester
AQI 47
Plymouth
AQI 45
Piermont
AQI 46