What is the air quality in Lafayette LA?

Lafayette LA, United States of America has an annual US AQI of 49 (Reasonable) and average PM2.5 of 9.4 µg/m³, ranking #661 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Lafayette LA?

January is typically the cleanest month (AQI 44) and November the most polluted (AQI 52).

Where does Lafayette LA's air quality data come from?

PM2.5: 1998–2026 (monitors 1999–2026, satellite 1998, 2016; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

Lafayette LA, United States of America — Air Quality & Clean City Guide 2026

Lafayette LA Air Quality Data

Global rank	City	Continent	AQI	PM2.5
661	Lafayette LA, United States of America	North America	AQI 49	PM2.5 9.4 µg/m³