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  3. New Hampshire
  4. Merrimack County
  5. Allenstown

Allenstown

Merrimack County, New Hampshire

2026-05-17 14:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
92.6
PM10
μg/m³
12.1
PM2.5
μg/m³
6.6
CO
μg/m³
249.9
NO2
μg/m³
1.9
SO2
μg/m³
1.5
Weather
  • ℃
  • ℉
24℃
51%
13 kph
5 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2

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