Chennai vs Johannesburg

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

India
Chennai
112
Unhealthy for Sensitive Groups
South Africa
Johannesburg
172
Unhealthy
MetricChennaiJohannesburg
AQI112172
PM2.515.5 μg/m³145.3 μg/m³
PM1020.1 μg/m³146.7 μg/m³
Ozone64 ppb23 ppb
NO211.2 ppb74 ppb

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