Boston vs Beijing

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

United States
Boston
47
Good
China
Beijing
184
Unhealthy
MetricBostonBeijing
AQI47184
PM2.57.6 μg/m³156.9 μg/m³
PM107.7 μg/m³163 μg/m³
Ozone28 ppb6 ppb
NO242.3 ppb45 ppb

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