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  3. New Hampshire
  4. Merrimack County
  5. Webster

Webster

Merrimack County, New Hampshire

2026-04-13 08:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
80.1
PM2.5
μg/m³
5.5
PM10
μg/m³
7.9
CO
μg/m³
123.6
NO2
μg/m³
2.2
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
4℃
83%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • CO
  • NO2
  • SO2

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Cities Nearby

Webster
AQI 35
Salisbury
AQI 35
Boscawen
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Franklin
AQI 35
Andover
AQI 35
Hopkinton
AQI 38
Northfield
AQI 36
Tilton
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Henniker
AQI 38