Chennai vs Sydney

Live air quality comparison. Sydney has cleaner air right now.

India
Chennai
67
Moderate
Australia
Sydney
54
Moderate
MetricChennaiSydney
AQI6754
PM2.518.9 μg/m³12.5 μg/m³
PM1026.2 μg/m³20.7 μg/m³
Ozone48 ppb102 ppb
NO28.1 ppb5.4 ppb

Lower values mean cleaner air. Updated hourly. Sources: OpenAQ, Open-Meteo.