Boston vs Beijing

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

United States
Boston
65
Moderate
China
Beijing
190
Unhealthy
MetricBostonBeijing
AQI65190
PM2.518.5 μg/m³85.2 μg/m³
PM1021.8 μg/m³90.1 μg/m³
Ozone125 ppb0 ppb
NO25.7 ppb105.3 ppb

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