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
Oceania
Australia
South Australia
Williamstown
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Williamstown
Barossa, South Australia
2026-04-23 01:00
CAQI (Europe)
Very Low
Pollutants
PM10
μg/m³
20.7
PM2.5
μg/m³
7.5
O3
μg/m³
26.6
NO2
μg/m³
16.3
CO
μg/m³
126.9
Weather
℃
℃
℉
27℃
27%
18 kph
5 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
PM10
PM2.5
O3
NO2
CO
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
Williamstown
AQI 21
Barossa Goldfields
AQI 22
Cockatoo Valley
AQI 22
Lyndoch
AQI 21
Altona
AQI 21
Pewsey Vale
AQI 20
Sandy Creek
AQI 22
Mount Crawford
AQI 20
Humbug Scrub
AQI 19
Yattalunga
AQI 29
Kalbeeba
AQI 22
Air Matters © 2026