Kolkata vs Saint Petersburg

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

India
Kolkata
121
Unhealthy for Sensitive Groups
Russia
Saint Petersburg
47
Good
MetricKolkataSaint Petersburg
AQI12147
PM2.551.9 μg/m³13.6 μg/m³
PM1064.5 μg/m³15.4 μg/m³
Ozone72 ppb44 ppb
NO215.5 ppb29 ppb

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