Toggle navigation
Places
CAQI (Europe)
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
North Dakota
Williams County
Ray
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Ray
Williams County, North Dakota
2026-07-23 23:00
CAQI (Europe)
Very Low
Pollutants
PM2.5
μg/m³
13
PM10
μg/m³
14.6
Weather
℃
℃
℉
33℃
27%
9 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
PM2.5
PM10
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
Ray
AQI 22
Tioga
AQI 22
Springbrook
AQI 22
White Earth
AQI 22
Wildrose
AQI 24
Alamo
AQI 27
Williston
AQI 22
Powers Lake
AQI 35
Ross
AQI 21
Stanley
AQI 21
Four Bears Village
AQI 20
Air Matters © 2026