What is the air quality in Gyeongju?

Gyeongju, South Korea has an annual US AQI of 71 (Polluted) and average PM2.5 of 19.2 µg/m³, ranking #3277 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Gyeongju?

September is typically the cleanest month (AQI 56) and May the most polluted (AQI 86).

Where does Gyeongju's air quality data come from?

PM2.5: 1998–2026 (monitors 2018–2026, satellite 1998–2018; 2025–2026 provisional). Measured by government monitoring stations. Full sources are on the methodology page.

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

Gyeongju Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3277	Gyeongju, South Korea	Asia	AQI 71	PM2.5 19.2 µg/m³