Island, South Korea
Air quality in Jeju
Polluted
The annual average PM2.5 in Jeju was 19.1 µg/m³ in 2019, about 3.8 times the WHO guideline of 5 µg/m³. Generally cleaner than the mainland, with occasional fine dust drifting from China in spring.
Key facts
- PM2.5: 19.1 µg/m³ yearly average (2019). Measured at Jeju.
- PM10: 33.4 µg/m³ (2019).
Air quality across South Korea
Quick answers
Is the air in Jeju bad?
Polluted: 19.1 µg/m³ of PM2.5 on average, 3.8× the WHO guideline.
When is the air worst in Jeju?
Generally cleaner than the mainland, with occasional fine dust drifting from China in spring.
How does Jeju compare with the rest of South Korea?
People in South Korea breathe 22 µg/m³ of PM2.5 on average (2023, World Bank/WHO), against 19.1 µg/m³ measured here.
More about Jeju
Going to Jeju solo?
SoloSquare is where travelers, nomads and locals in Jeju meet up for small plans: coffee, dinners, walks and day trips. Join one, or start your own in a minute.
Sources
- WHO Ambient Air Quality Database
- WHO air quality guidelines (2021)
- Live air quality map (WAQI)
- Visit Jeju
- Jeju International Airport (Korea Airports Corporation)
- Jeju Olle Trail
Annual averages are measured values reported to the WHO; check a live map for today's air. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.