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Henniker

Merrimack County

2026-06-16 17:00
AQI (China)
Excellent
Pollutants
O3
μg/m³
51.5
PM10
μg/m³
4.8
PM2.5
μg/m³
2.4
CO
μg/m³
211.1
SO2
μg/m³
1.1
NO2
μg/m³
0.6
Weather
  • ℃
  • ℉
23℃
49%
6 kph
8 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • O3
  • PM10
  • PM2.5
  • CO
  • SO2
  • NO2
Places included
Henniker
AQI 17

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