What is the air quality in Gyeongsan?

Gyeongsan, South Korea has an annual US AQI of 75 (Polluted) and average PM2.5 of 21.3 µg/m³, ranking #3525 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Gyeongsan?

September is typically the cleanest month (AQI 59) and May the most polluted (AQI 87).

Where does Gyeongsan'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.

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

Gyeongsan Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3525	Gyeongsan, South Korea	Asia	AQI 75	PM2.5 21.3 µg/m³