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

Merrimack County

New Hampshire

2026-08-22 17:00
CAQI (Europe)
Very Low
Pollutants|Pollens
O3
μg/m³
51.4
PM2.5
μg/m³
8.1
PM10
μg/m³
13
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
22℃
73%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • SO2
Places included
Allenstown
AQI 23
Andover
AQI 22
Boscawen
AQI 22
Bow
AQI 23
Bradford
AQI 20
Canterbury
AQI 22
Chichester
AQI 23
Concord
AQI 22
Danbury
AQI 20
Dunbarton
AQI 24
Epsom
AQI 23
Franklin
AQI 22
Henniker
AQI 24
Hill
AQI 21
Hooksett
AQI 14
Hopkinton
AQI 24
Loudon
AQI 22
New London
AQI 18
Newbury
AQI 13
Northfield
AQI 22
Pembroke
AQI 23
Pittsfield
AQI 23
Salisbury
AQI 22
Suncook
AQI 1
Sutton
AQI 19
Warner
AQI 23
Webster
AQI 22
Wilmot
AQI 21
Data Sources
http://www.airnow.gov/

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Cities Nearby

Boscawen
AQI 22
Webster
AQI 22
Canterbury
AQI 22
Hopkinton
AQI 24
Salisbury
AQI 22
Concord
AQI 22
Warner
AQI 23
Loudon
AQI 22
Henniker
AQI 24
Franklin
AQI 22
Northfield
AQI 22