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  4. Belknap County

Belknap County

New Hampshire

2026-10-02 08:00
CAQI (Europe)
Very Low
Pollutants
PM2.5
μg/m³
10.4
O3
μg/m³
36.1
PM10
μg/m³
14
NO2
μg/m³
3.8
SO2
μg/m³
1.2
CO
μg/m³
99.8
Weather
  • ℃
  • ℉
16℃
93%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • PM2.5
  • O3
  • PM10
  • NO2
  • SO2
  • CO
Places included
Alton
AQI 18
Barnstead
AQI 17
Belmont
AQI 17
Center Harbor
AQI 16
Gilford
AQI 18
Gilmanton
AQI 18
Laconia
AQI 17
Meredith Town
AQI 16
New Hampton
AQI 14
Sanbornton
AQI 16
Tilton
AQI 16
Data Sources
http://www.airnow.gov/

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Cities Nearby

Gilford
AQI 18
Laconia
AQI 17
Belmont
AQI 17
Gilmanton
AQI 18
Sanbornton
AQI 16
Tilton
AQI 16
Alton
AQI 18
Northfield
AQI 17
Wolfeboro
AQI 18
Meredith
AQI 16
New Durham
AQI 18