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  3. New Hampshire
  4. Merrimack County
  5. Allenstown

Allenstown

Merrimack County, New Hampshire

2026-04-29 22:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
99.3
PM10
μg/m³
7.2
PM2.5
μg/m³
3.4
SO2
μg/m³
2.3
NO2
μg/m³
1.9
CO
μg/m³
147.6
Weather
  • ℃
  • ℉
11℃
79%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • SO2
  • NO2
  • CO

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