San Jose vs Beijing

Live air quality comparison. San Jose has cleaner air right now.

Costa Rica
San Jose
48
Good
China
Beijing
153
Unhealthy
MetricSan JoseBeijing
AQI48153
PM2.54.7 μg/m³42.8 μg/m³
PM105.9 μg/m³42.8 μg/m³
Ozone61 ppb1 ppb
NO22.3 ppb94.6 ppb

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