Kolkata vs Saint Petersburg

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

India
Kolkata
58
Moderate
Russia
Saint Petersburg
55
Moderate
MetricKolkataSaint Petersburg
AQI5855
PM2.517.2 μg/m³9 μg/m³
PM1019.4 μg/m³12.6 μg/m³
Ozone75 ppb18 ppb
NO28.5 ppb29.7 ppb

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