What is the air quality in Chungju?

Chungju, South Korea has an annual US AQI of 79 (Polluted) and average PM2.5 of 22.9 µg/m³, ranking #3734 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Chungju?

September is typically the cleanest month (AQI 56) and January the most polluted (AQI 92).

Where does Chungju's air quality data come from?

PM2.5: 1998–2026 (monitors 2015–2026, satellite 1998–2015; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

Chungju, South Korea — Air Quality & Clean City Guide 2026

Chungju Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3734	Chungju, South Korea	Asia	AQI 79	PM2.5 22.9 µg/m³