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  4. Merrimack County
  5. Henniker

Henniker

Merrimack County

2026-08-16 11:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
5.1
O3
μg/m³
34.3
PM10
μg/m³
8.3
CO
μg/m³
211.4
NO2
μg/m³
2.3
SO2
μg/m³
1.3
Weather
  • ℃
  • ℉
14℃
86%
1 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • PM10
  • CO
  • NO2
  • SO2
Places included
Henniker
AQI 29

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