Boston vs Beijing

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

United States
Boston
69
Moderate
China
Beijing
153
Unhealthy
MetricBostonBeijing
AQI69153
PM2.518.2 μg/m³42.8 μg/m³
PM1019.4 μg/m³42.8 μg/m³
Ozone113 ppb1 ppb
NO23 ppb94.6 ppb

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