What is the air quality in Lafayette IN?

Lafayette IN, United States of America has an annual US AQI of 53 (Reasonable) and average PM2.5 of 11.1 µg/m³, ranking #1090 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Lafayette IN?

April is typically the cleanest month (AQI 47) and July the most polluted (AQI 57).

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

PM2.5: 1998–2026 (monitors 1999–2026, satellite 1998–2000, 2002, 2009; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

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

Lafayette IN Air Quality Data

Global rank	City	Continent	AQI	PM2.5
1090	Lafayette IN, United States of America	North America	AQI 53	PM2.5 11.1 µg/m³