Kolkata vs Seattle

Live air quality comparison. Seattle has cleaner air right now.

India
Kolkata
121
Unhealthy for Sensitive Groups
United States
Seattle
28
Good
MetricKolkataSeattle
AQI12128
PM2.551.9 μg/m³3.4 μg/m³
PM1064.5 μg/m³4.3 μg/m³
Ozone72 ppb51 ppb
NO215.5 ppb3.8 ppb

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