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  4. Belknap County

Belknap County

New Hampshire

2026-10-12 15:00
AQI (China)
Excellent
Pollutants
PM10
μg/m³
8.6
PM2.5
μg/m³
5.7
O3
μg/m³
21.5
CO
μg/m³
117.5
NO2
μg/m³
1.9
SO2
μg/m³
2.8
Weather
  • ℃
  • ℉
14℃
86%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • PM10
  • PM2.5
  • O3
  • CO
  • NO2
  • SO2
Places included
Alton
AQI 11
Barnstead
AQI 13
Belmont
AQI 9
Center Harbor
AQI 10
Gilford
AQI 10
Gilmanton
AQI 13
Laconia
AQI 9
Meredith Town
AQI 10
New Hampton
AQI 8
Sanbornton
AQI 9
Tilton
AQI 9

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Cities Nearby

Gilford
AQI 10
Laconia
AQI 9
Belmont
AQI 9
Gilmanton
AQI 13
Sanbornton
AQI 9
Tilton
AQI 9
Alton
AQI 11
Northfield
AQI 15
Wolfeboro
AQI 11
Meredith
AQI 10
New Durham
AQI 11