San Jose vs Beijing

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

Costa Rica
San Jose
34
Good
China
Beijing
190
Unhealthy
MetricSan JoseBeijing
AQI34190
PM2.54.2 μg/m³85.2 μg/m³
PM104.7 μg/m³90.1 μg/m³
Ozone80 ppb0 ppb
NO22.8 ppb105.3 ppb

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