Xian vs Calgary

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

China
Xian
78
Moderate
Canada
Calgary
31
Good
MetricXianCalgary
AQI7831
PM2.510.3 μg/m³0.6 μg/m³
PM1015.3 μg/m³0.6 μg/m³
Ozone44 ppb110 ppb
NO222.8 ppb1.4 ppb

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