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  4. Belknap County

Belknap County

New Hampshire

2026-10-08 03:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
5.6
O3
μg/m³
35.4
PM10
μg/m³
7.7
SO2
μg/m³
3.3
CO
μg/m³
117.5
NO2
μg/m³
1.3
Weather
  • ℃
  • ℉
8℃
80%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • PM10
  • SO2
  • CO
  • NO2
Places included
Alton
AQI 36
Barnstead
AQI 32
Belmont
AQI 27
Center Harbor
AQI 35
Gilford
AQI 36
Gilmanton
AQI 30
Laconia
AQI 29
Meredith Town
AQI 32
New Hampton
AQI 19
Sanbornton
AQI 22
Tilton
AQI 22

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Cities Nearby

Gilford
AQI 36
Laconia
AQI 29
Belmont
AQI 27
Gilmanton
AQI 30
Sanbornton
AQI 22
Tilton
AQI 22
Alton
AQI 36
Northfield
AQI 33
Wolfeboro
AQI 42
Meredith
AQI 32
New Durham
AQI 28