Kolkata vs Rio de Janeiro

Live air quality comparison. Rio de Janeiro has cleaner air right now.

India
Kolkata
187
Unhealthy
Brazil
Rio de Janeiro
81
Moderate
MetricKolkataRio de Janeiro
AQI18781
PM2.5117.1 μg/m³39 μg/m³
PM10121.5 μg/m³42.7 μg/m³
Ozone118 ppb53 ppb
NO217.6 ppb50.8 ppb

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