Hangzhou vs Saint Petersburg

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

China
Hangzhou
154
Unhealthy
Russia
Saint Petersburg
57
Moderate
MetricHangzhouSaint Petersburg
AQI15457
PM2.539.3 μg/m³3.3 μg/m³
PM1048.5 μg/m³4.3 μg/m³
Ozone90 ppb39 ppb
NO234.8 ppb17.9 ppb

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