What is the air quality in Daegu?

Daegu, South Korea has an annual US AQI of 74 (Polluted) and average PM2.5 of 20.5 µg/m³, ranking #3460 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Daegu?

September is typically the cleanest month (AQI 57) and June the most polluted (AQI 86).

Where does Daegu's air quality data come from?

PM2.5: 1998–2026 (monitors 2015–2026, satellite 1998–2014; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

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

Daegu Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3460	Daegu, South Korea	Asia	AQI 74	PM2.5 20.5 µg/m³