Chennai vs Rio de Janeiro

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

India
Chennai
66
Moderate
Brazil
Rio de Janeiro
82
Moderate
MetricChennaiRio de Janeiro
AQI6682
PM2.517.1 μg/m³39 μg/m³
PM1025.4 μg/m³41.9 μg/m³
Ozone62 ppb47 ppb
NO25.2 ppb45.9 ppb

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