Philadelphia vs Los Angeles

Live air quality comparison. Los Angeles has cleaner air right now.

United States
Philadelphia
61
Moderate
United States
Los Angeles
40
Good
MetricPhiladelphiaLos Angeles
AQI6140
PM2.539.1 μg/m³3.5 μg/m³
PM1039.5 μg/m³4.6 μg/m³
Ozone0 ppb71 ppb
NO271.8 ppb13.9 ppb

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