Chennai vs Johannesburg

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

India
Chennai
67
Moderate
South Africa
Johannesburg
83
Moderate
MetricChennaiJohannesburg
AQI6783
PM2.518.9 μg/m³52.9 μg/m³
PM1026.2 μg/m³53.9 μg/m³
Ozone48 ppb0 ppb
NO28.1 ppb67.6 ppb

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