Boston vs Los Angeles

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

United States
Boston
47
Good
United States
Los Angeles
40
Good
MetricBostonLos Angeles
AQI4740
PM2.57.6 μg/m³3.5 μg/m³
PM107.7 μg/m³4.6 μg/m³
Ozone28 ppb71 ppb
NO242.3 ppb13.9 ppb

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