Nanjing vs Rio de Janeiro

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

China
Nanjing
79
Moderate
Brazil
Rio de Janeiro
62
Moderate
MetricNanjingRio de Janeiro
AQI7962
PM2.523.4 μg/m³22.1 μg/m³
PM1026.4 μg/m³24.5 μg/m³
Ozone8 ppb29 ppb
NO244.1 ppb41 ppb

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