What is the air quality in Los Angeles CA?

Los Angeles CA, United States of America has an annual US AQI of 62 (Polluted) and average PM2.5 of 14.7 µg/m³, ranking #2340 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Los Angeles CA?

February is typically the cleanest month (AQI 57) and November the most polluted (AQI 66).

Where does Los Angeles CA's air quality data come from?

PM2.5: 1998–2026 (monitors 1999–2026, satellite 1998; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Los Angeles CA, United States of America — Air Quality & Clean City Guide 2026

Los Angeles CA Air Quality Data

Global rank	City	Continent	AQI	PM2.5
2340	Los Angeles CA, United States of America	North America	AQI 62	PM2.5 14.7 µg/m³