Seoul vs Rio de Janeiro

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

South Korea
Seoul
62
Moderate
Brazil
Rio de Janeiro
63
Moderate
MetricSeoulRio de Janeiro
AQI6263
PM2.512.5 μg/m³23.5 μg/m³
PM1015.2 μg/m³25.8 μg/m³
Ozone35 ppb27 ppb
NO234.9 ppb41 ppb

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