Nanjing vs Saint Petersburg

Live air quality comparison. Saint Petersburg has cleaner air right now.

China
Nanjing
154
Unhealthy
Russia
Saint Petersburg
56
Moderate
MetricNanjingSaint Petersburg
AQI15456
PM2.532.9 μg/m³4.3 μg/m³
PM1038.3 μg/m³5.9 μg/m³
Ozone85 ppb32 ppb
NO241 ppb23.3 ppb

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