Kolkata vs Saint Petersburg

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

India
Kolkata
150
Unhealthy for Sensitive Groups
Russia
Saint Petersburg
43
Good
MetricKolkataSaint Petersburg
AQI15043
PM2.571 μg/m³7.7 μg/m³
PM1080.3 μg/m³10.4 μg/m³
Ozone63 ppb47 ppb
NO222.6 ppb21.8 ppb

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