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

Allenstown

Merrimack County, New Hampshire

2026-06-20 21:00
AQHI (Canada)
Low
Pollutants|Pollens
O3
μg/m³
66.5
PM10
μg/m³
8.9
PM2.5
μg/m³
4.1
SO2
μg/m³
1.8
NO2
μg/m³
0.4
Weather
  • ℃
  • ℉
22℃
66%
3 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • SO2
  • NO2

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 2
Pembroke
AQI 2
Suncook
AQI --
Hooksett
AQI --
Epsom
AQI 2
Chichester
AQI 2
Bow
AQI 2
Concord
AQI --
Candia
AQI --
Loudon
AQI 2
Deerfield
AQI 2