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  4. Belknap County

Belknap County

New Hampshire

2026-10-02 21:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
8.2
O3
μg/m³
36.9
PM10
μg/m³
13.2
SO2
μg/m³
1.2
CO
μg/m³
40.8
NO2
μg/m³
0.5
Weather
  • ℃
  • ℉
19℃
75%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • PM10
  • SO2
  • CO
  • NO2
Places included
Alton
AQI 45
Barnstead
AQI 52
Belmont
AQI 46
Center Harbor
AQI 23
Gilford
AQI 39
Gilmanton
AQI 51
Laconia
AQI 38
Meredith Town
AQI 29
New Hampton
AQI 23
Sanbornton
AQI 43
Tilton
AQI 43
Data Sources
http://www.airnow.gov/

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Cities Nearby

Gilford
AQI 39
Laconia
AQI 38
Belmont
AQI 46
Gilmanton
AQI 51
Sanbornton
AQI 43
Tilton
AQI 43
Alton
AQI 45
Northfield
AQI 51
Wolfeboro
AQI 38
Meredith
AQI 29
New Durham
AQI 52