Tokyo vs Nanjing

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

Japan
Tokyo
80
Moderate
China
Nanjing
180
Unhealthy
MetricTokyoNanjing
AQI80180
PM2.521.4 μg/m³124.8 μg/m³
PM1023.1 μg/m³144.4 μg/m³
Ozone7 ppb0 ppb
NO257.5 ppb92 ppb

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