What is the air quality in Jefferson City MO?

Jefferson City MO, United States of America has an annual US AQI of 49 (Reasonable) and average PM2.5 of 9.6 µg/m³, ranking #684 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Jefferson City MO?

October is typically the cleanest month (AQI 41) and July the most polluted (AQI 55).

Where does Jefferson City MO's air quality data come from?

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Jefferson City MO, United States of America — Air Quality & Clean City Guide 2026

Jefferson City MO Air Quality Data

Global rank	City	Continent	AQI	PM2.5
684	Jefferson City MO, United States of America	North America	AQI 49	PM2.5 9.6 µg/m³