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  4. Belknap County

Belknap County

New Hampshire

2026-10-02 17:00
AQI (China)
Excellent
Pollutants
PM10
μg/m³
14
PM2.5
μg/m³
9
O3
μg/m³
40.3
CO
μg/m³
79
SO2
μg/m³
1.5
NO2
μg/m³
0.9
Weather
  • ℃
  • ℉
24℃
69%
23 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • PM10
  • PM2.5
  • O3
  • CO
  • SO2
  • NO2
Places included
Alton
AQI 13
Barnstead
AQI 28
Belmont
AQI 17
Center Harbor
AQI 12
Gilford
AQI 12
Gilmanton
AQI 24
Laconia
AQI 14
Meredith Town
AQI 13
New Hampton
AQI 16
Sanbornton
AQI 18
Tilton
AQI 18
Data Sources
http://www.airnow.gov/

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Cities Nearby

Gilford
AQI 12
Laconia
AQI 14
Belmont
AQI 17
Gilmanton
AQI 24
Sanbornton
AQI 18
Tilton
AQI 18
Alton
AQI 13
Northfield
AQI 27
Wolfeboro
AQI 11
Meredith
AQI 13
New Durham
AQI 23