Kolkata vs Saint Petersburg

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

India
Kolkata
116
Unhealthy for Sensitive Groups
Russia
Saint Petersburg
41
Good
MetricKolkataSaint Petersburg
AQI11641
PM2.538.1 μg/m³8.9 μg/m³
PM1045.3 μg/m³12.2 μg/m³
Ozone66 ppb29 ppb
NO213.3 ppb55.9 ppb

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