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

Allenstown

Merrimack County, New Hampshire

2026-09-09 20:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
62.6
PM10
μg/m³
11.6
PM2.5
μg/m³
5.2
CO
μg/m³
234.4
NO2
μg/m³
4.3
SO2
μg/m³
1.8
Weather
  • ℃
  • ℉
20℃
81%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • 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

Allenstown
AQI 20
Pembroke
AQI 20
Suncook
AQI 1
Hooksett
AQI 16
Epsom
AQI 19
Chichester
AQI 19
Bow
AQI 19
Concord
AQI 22
Candia
AQI 16
Loudon
AQI 19
Deerfield
AQI 21