1. North America
  2. United States
  3. New Hampshire
  4. Merrimack County
  5. Webster

Webster

Merrimack County, New Hampshire

2026-08-10 09:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
9.9
PM2.5
μg/m³
6.1
O3
μg/m³
26.9
CO
μg/m³
172
NO2
μg/m³
2
SO2
μg/m³
1.3
Weather
  • ℃
  • ℉
16℃
90%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • PM2.5
  • O3
  • CO
  • NO2
  • SO2

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Webster
AQI 10
Salisbury
AQI 10
Boscawen
AQI 11
Canterbury
AQI 11
Warner
AQI 10
Franklin
AQI 11
Andover
AQI 10
Hopkinton
AQI 10
Northfield
AQI 11
Tilton
AQI 11
Henniker
AQI 11