Chennai vs Rio de Janeiro

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

India
Chennai
68
Moderate
Brazil
Rio de Janeiro
63
Moderate
MetricChennaiRio de Janeiro
AQI6863
PM2.515.7 μg/m³23.5 μg/m³
PM1018.1 μg/m³25.8 μg/m³
Ozone23 ppb27 ppb
NO221.7 ppb41 ppb

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