Kolkata vs Rio de Janeiro

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

India
Kolkata
107
Unhealthy for Sensitive Groups
Brazil
Rio de Janeiro
53
Moderate
MetricKolkataRio de Janeiro
AQI10753
PM2.520.1 μg/m³8.1 μg/m³
PM1020.7 μg/m³9.6 μg/m³
Ozone80 ppb45 ppb
NO214.1 ppb21.8 ppb

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