Kolkata vs Johannesburg

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

India
Kolkata
198
Unhealthy
South Africa
Johannesburg
99
Moderate
MetricKolkataJohannesburg
AQI19899
PM2.557.5 μg/m³21.6 μg/m³
PM1060.5 μg/m³21.8 μg/m³
Ozone197 ppb166 ppb
NO211.6 ppb10.6 ppb

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