Toggle navigation
Places
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
North America
United States
New Hampshire
Merrimack County
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Merrimack County
New Hampshire
2026-10-18 20:00
AQI (US)
Good
Pollutants
|
Pollens
PM2.5
μg/m³
1.5
SO2
μg/m³
4
PM10
μg/m³
2
Pollen
1.1
Weather
℃
℃
℉
12℃
54%
11 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Pollen
PM2.5
SO2
PM10
Places included
Allenstown
AQI 34
Andover
AQI 28
Boscawen
AQI 32
Bow
AQI 33
Bradford
AQI 27
Canterbury
AQI 33
Chichester
AQI 33
Concord
AQI 33
Danbury
AQI 26
Dunbarton
AQI 33
Epsom
AQI 33
Franklin
AQI 20
Henniker
AQI 33
Hill
AQI 10
Hooksett
AQI 9
Hopkinton
AQI 33
Loudon
AQI 33
New London
AQI 26
Newbury
AQI 10
Northfield
AQI 32
Pembroke
AQI 34
Pittsfield
AQI 33
Salisbury
AQI 28
Suncook
AQI 2
Sutton
AQI 27
Warner
AQI 32
Webster
AQI 32
Wilmot
AQI 26
Data Sources
http://www.airnow.gov/
Get the App
Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.
iPhone, iPad
Android
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
Boscawen
AQI 32
Webster
AQI 32
Canterbury
AQI 33
Hopkinton
AQI 33
Salisbury
AQI 28
Concord
AQI 33
Warner
AQI 32
Loudon
AQI 33
Henniker
AQI 33
Franklin
AQI 20
Northfield
AQI 32
Air Matters © 2026