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  4. Belknap County

Belknap County

New Hampshire

2026-10-07 21:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
2.9
O3
μg/m³
37.6
PM10
μg/m³
5.9
SO2
μg/m³
3.5
CO
μg/m³
79.3
NO2
μg/m³
0.3
Weather
  • ℃
  • ℉
16℃
50%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • PM10
  • SO2
  • CO
  • NO2
Places included
Alton
AQI 19
Barnstead
AQI 35
Belmont
AQI 22
Center Harbor
AQI 25
Gilford
AQI 18
Gilmanton
AQI 31
Laconia
AQI 15
Meredith Town
AQI 17
New Hampton
AQI 21
Sanbornton
AQI 22
Tilton
AQI 22

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Cities Nearby

Gilford
AQI 18
Laconia
AQI 15
Belmont
AQI 22
Gilmanton
AQI 31
Sanbornton
AQI 22
Tilton
AQI 22
Alton
AQI 19
Northfield
AQI 35
Wolfeboro
AQI 20
Meredith
AQI 17
New Durham
AQI 29