Nanjing vs Rio de Janeiro

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

China
Nanjing
57
Moderate
Brazil
Rio de Janeiro
196
Unhealthy
MetricNanjingRio de Janeiro
AQI57196
PM2.55.4 μg/m³24.4 μg/m³
PM106.7 μg/m³25.9 μg/m³
Ozone38 ppb188 ppb
NO221.3 ppb23.9 ppb

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