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  4. Belknap County

Belknap County

New Hampshire

2026-10-08 18:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
3.5
O3
μg/m³
39.4
PM10
μg/m³
6.1
SO2
μg/m³
2.8
CO
μg/m³
117.5
NO2
μg/m³
0.1
Weather
  • ℃
  • ℉
18℃
51%
23 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • PM10
  • SO2
  • CO
  • NO2
Places included
Alton
AQI 19
Barnstead
AQI 37
Belmont
AQI 23
Center Harbor
AQI 26
Gilford
AQI 18
Gilmanton
AQI 33
Laconia
AQI 18
Meredith Town
AQI 17
New Hampton
AQI 21
Sanbornton
AQI 23
Tilton
AQI 23

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Cities Nearby

Gilford
AQI 18
Laconia
AQI 18
Belmont
AQI 23
Gilmanton
AQI 33
Sanbornton
AQI 23
Tilton
AQI 23
Alton
AQI 19
Northfield
AQI 37
Wolfeboro
AQI 17
Meredith
AQI 17
New Durham
AQI 31