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
Coos County
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Coos County
New Hampshire
2026-09-04 22:00
AQI (US)
Insufficient Data
--
Pollutants
|
Pollens
O3
μg/m³
42.9
CO
μg/m³
0
Pollen
6.6
Weather
℃
℃
℉
16℃
77%
0 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Pollen
O3
CO
Places included
Atkinson and Gilmanton Academy Grant
AQI 18
Bean's Grant
AQI 21
Bean's Purchase
AQI 23
Berlin
AQI 22
Cambridge
AQI 23
Carroll
AQI 18
Chandlers Purchase
AQI 21
Clarksville
AQI 17
Colebrook
AQI 19
Columbia
AQI 18
Crawfords
AQI 21
Cutt's Grant
AQI 21
Dalton
AQI 15
Dixs Grant
AQI 20
Dixville Township
AQI 21
Dummer
AQI 21
Errol
AQI 21
Erving's Location
AQI 21
Greens
AQI 19
Hadley's Purchase
AQI 21
Jefferson
AQI 19
Kilkenny Township
AQI 20
Lancaster
AQI 16
Low and Burbank's Grant
AQI 21
Martins Location
AQI 21
Milan
AQI 22
Millsfield
AQI 21
Northumberland
AQI 19
Odell Township
AQI 20
Pinkham's Grant
AQI 21
Pittsburg
AQI 18
Randolph
AQI 21
Sargent's Purchase
AQI 0
Second College grant
AQI 20
Shelburne
AQI 23
Stark
AQI 20
Stewartstown
AQI 17
Stratford
AQI 16
Success
AQI 24
Thompson and Meserve's Purchase
AQI 21
Wentworth's Location
AQI 21
Whitefield
AQI 15
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
Errol
AQI 21
Dummer
AQI 21
Stark
AQI 20
Milan
AQI 22
Northumberland
AQI 19
Stratford
AQI 16
Maidstone
AQI 16
Colebrook
AQI 19
Columbia
AQI 18
Bloomfield
AQI 16
Berlin
AQI 22
Air Matters © 2026