What is the air quality in St. Cloud MN?

St. Cloud MN, United States of America has an annual US AQI of 43 (Reasonable) and average PM2.5 of 7.8 µg/m³, ranking #370 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in St. Cloud MN?

October is typically the cleanest month (AQI 34) and January the most polluted (AQI 48).

Where does St. Cloud MN's air quality data come from?

PM2.5: 1998–2026 (monitors 2000–2026, satellite 1998–2002, 2004, 2019, 2022; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

St. Cloud MN, United States of America — Air Quality & Clean City Guide 2026

St. Cloud MN Air Quality Data

Global rank	City	Continent	AQI	PM2.5
370	St. Cloud MN, United States of America	North America	AQI 43	PM2.5 7.8 µg/m³