Philadelphia vs Chicago

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

United States
Philadelphia
42
Good
United States
Chicago
29
Good
MetricPhiladelphiaChicago
AQI4229
PM2.56.6 μg/m³3.8 μg/m³
PM106.8 μg/m³3.9 μg/m³
Ozone56 ppb63 ppb
NO27.4 ppb12.8 ppb

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

Philadelphia vs Chicago - Air Quality Comparison | atmos.today