Seoul vs Rio de Janeiro

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

South Korea
Seoul
99
Moderate
Brazil
Rio de Janeiro
82
Moderate
MetricSeoulRio de Janeiro
AQI9982
PM2.516.7 μg/m³39 μg/m³
PM1020.4 μg/m³41.9 μg/m³
Ozone106 ppb47 ppb
NO231.2 ppb45.9 ppb

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