What is the air quality in La Crosse WI?

La Crosse WI, United States of America has an annual US AQI of 48 (Reasonable) and average PM2.5 of 9.3 µg/m³, ranking #614 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in La Crosse WI?

October is typically the cleanest month (AQI 37) and January the most polluted (AQI 56).

Where does La Crosse WI's air quality data come from?

PM2.5: 1998–2024 (monitors 2006–2023, satellite 1998–2006, 2024). Measured by government monitoring stations. Full sources are on the methodology page.

La Crosse WI, United States of America — Air Quality & Clean City Guide 2026

La Crosse WI Air Quality Data

Global rank	City	Continent	AQI	PM2.5
614	La Crosse WI, United States of America	North America	AQI 48	PM2.5 9.3 µg/m³