Kolkata vs Rio de Janeiro

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

India
Kolkata
58
Moderate
Brazil
Rio de Janeiro
63
Moderate
MetricKolkataRio de Janeiro
AQI5863
PM2.517.2 μg/m³23.5 μg/m³
PM1019.4 μg/m³25.8 μg/m³
Ozone75 ppb27 ppb
NO28.5 ppb41 ppb

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