Boston vs Los Angeles

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

United States
Boston
40
Good
United States
Los Angeles
45
Good
MetricBostonLos Angeles
AQI4045
PM2.54.8 μg/m³15.3 μg/m³
PM105 μg/m³16.6 μg/m³
Ozone58 ppb27 ppb
NO23.4 ppb31 ppb

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