Philadelphia vs Shanghai

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

United States
Philadelphia
57
Moderate
China
Shanghai
82
Moderate
MetricPhiladelphiaShanghai
AQI5782
PM2.510.6 μg/m³28.1 μg/m³
PM1012.6 μg/m³34.6 μg/m³
Ozone130 ppb68 ppb
NO23.8 ppb44 ppb

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