What is the air quality in St. Joseph MO KS?

St. Joseph MO KS, United States of America has an annual US AQI of 51 (Reasonable) and average PM2.5 of 10.4 µg/m³, ranking #867 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in St. Joseph MO KS?

October is typically the cleanest month (AQI 45) and July the most polluted (AQI 57).

Where does St. Joseph MO KS's air quality data come from?

PM2.5: 1998–2026 (monitors 1999–2026, satellite 1998, 2005, 2007, 2011; 2026 provisional (AirNow)). Measured by government monitoring stations. Full sources are on the methodology page.

St. Joseph MO KS, United States of America — Air Quality & Clean City Guide 2026

St. Joseph MO KS Air Quality Data

Global rank	City	Continent	AQI	PM2.5
867	St. Joseph MO KS, United States of America	North America	AQI 51	PM2.5 10.4 µg/m³