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  3. New Hampshire
  4. Merrimack County
  5. Allenstown

Allenstown

Merrimack County, New Hampshire

2026-01-21 11:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
67.6
PM2.5
μg/m³
4.4
PM10
μg/m³
7.2
NO2
μg/m³
5.8
SO2
μg/m³
1.2
CO
μg/m³
83.9
Weather
  • ℃
  • ℉
-14℃
73%
12 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • SO2
  • CO

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