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  5. Henniker

Henniker

Merrimack County

2026-08-12 09:00
AQHI (Canada)
Low
Pollutants
O3
μg/m³
33.2
PM10
μg/m³
10
PM2.5
μg/m³
6.6
NO2
μg/m³
3.1
SO2
μg/m³
1.5
Weather
  • ℃
  • ℉
16℃
92%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • O3
  • PM10
  • PM2.5
  • NO2
  • SO2
Places included
Henniker
AQI 1

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