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
New York
Wayne County
Williamson
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Williamson
Wayne County
2026-01-21 12:00
CAQI (Europe)
Low
Pollutants
PM2.5
μg/m³
18.3
PM10
μg/m³
23.1
O3
μg/m³
42.6
Weather
℃
℃
℉
-11℃
63%
18 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
PM2.5
PM10
O3
Places included
Williamson
AQI 31
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
Williamson
AQI 31
Sodus
AQI 31
Palmyra
AQI 14
Macedon
AQI 14
Newark
AQI 31
Fairport
AQI 14
Wolcott
AQI 20
East Rochester
AQI 14
Clyde
AQI 20
Manchester
AQI 20
Clifton Springs
AQI 20
Air Matters © 2026