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  3. New Hampshire
  4. Merrimack County
  5. Allenstown

Allenstown

Merrimack County, New Hampshire

2026-02-18 15:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
50.3
PM2.5
μg/m³
18.4
PM10
μg/m³
17.9
NO2
μg/m³
8.9
CO
μg/m³
133.4
SO2
μg/m³
1.2
Weather
  • ℃
  • ℉
4℃
78%
2 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2

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