San Diego vs Chicago

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

United States
San Diego
48
Good
United States
Chicago
29
Good
MetricSan DiegoChicago
AQI4829
PM2.59.4 μg/m³3.8 μg/m³
PM1011.4 μg/m³3.9 μg/m³
Ozone36 ppb63 ppb
NO217.1 ppb12.8 ppb

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

San Diego vs Chicago - Air Quality Comparison | atmos.today