Chennai vs Johannesburg

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

India
Chennai
70
Moderate
South Africa
Johannesburg
157
Unhealthy
MetricChennaiJohannesburg
AQI70157
PM2.520.8 μg/m³54.7 μg/m³
PM1032.4 μg/m³54.8 μg/m³
Ozone68 ppb68 ppb
NO214.6 ppb36.3 ppb

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