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  4. Belknap County

Belknap County

New Hampshire

2026-10-04 03:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
6.1
PM10
μg/m³
9.3
O3
μg/m³
12.6
CO
μg/m³
98.6
SO2
μg/m³
1.5
NO2
μg/m³
1.5
Weather
  • ℃
  • ℉
7℃
84%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • PM10
  • O3
  • CO
  • SO2
  • NO2
Places included
Alton
AQI 37
Barnstead
AQI 39
Belmont
AQI 32
Center Harbor
AQI 21
Gilford
AQI 30
Gilmanton
AQI 37
Laconia
AQI 28
Meredith Town
AQI 24
New Hampton
AQI 19
Sanbornton
AQI 28
Tilton
AQI 28

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Cities Nearby

Gilford
AQI 30
Laconia
AQI 28
Belmont
AQI 32
Gilmanton
AQI 37
Sanbornton
AQI 28
Tilton
AQI 28
Alton
AQI 37
Northfield
AQI 30
Wolfeboro
AQI 33
Meredith
AQI 24
New Durham
AQI 40