Allenstown

Merrimack County, New Hampshire

2026-05-17 14:00
AQI (China)
Excellent
O3
μg/m³
92.6
PM10
μg/m³
12.1
PM2.5
μg/m³
6.6
CO
μg/m³
249.9
NO2
μg/m³
1.9
SO2
μg/m³
1.5
Weather
24℃
51%
13 kph
5 of 11
Historical Data

Get the App

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

iPhone, iPad

Android