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  3. New Hampshire
  4. Merrimack County
  5. Northfield

Northfield

Merrimack County, New Hampshire

2026-09-23 14:00
CAQI (Europe)
Very Low
Pollutants|Pollens
O3
μg/m³
16
PM2.5
μg/m³
2.6
PM10
μg/m³
3.6
NO2
μg/m³
2.5
SO2
μg/m³
2.2
CO
μg/m³
168.5
Weather
  • ℃
  • ℉
14℃
63%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • SO2
  • CO

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