What is the air quality in Icheon?

Icheon, South Korea has an annual US AQI of 85 (Polluted) and average PM2.5 of 25.1 µg/m³, ranking #4006 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Icheon?

September is typically the cleanest month (AQI 59) and June the most polluted (AQI 105).

Where does Icheon's air quality data come from?

PM2.5: 1998–2026 (monitors 2017–2026, satellite 1998–2017; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

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

Icheon Air Quality Data

Global rank	City	Continent	AQI	PM2.5
4006	Icheon, South Korea	Asia	AQI 85	PM2.5 25.1 µg/m³