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East Asia

Air quality in South Korea

Capital: SeoulKorean, EnglishUpdated October 2026
22µg/m³ national average

Air quality in South Korea

People in South Korea breathe an average of 22 µg/m³ of PM2.5 (2023), 4× the WHO guideline. Polluted.

Air quality by place in South Korea

Measured annual averages from the WHO Ambient Air Quality Database.

PlacePM2.5YearLevel
Jeju19.1 µg/m³2019Polluted
Seogwipo19.1 µg/m³2019Polluted
Busan21 µg/m³2019Polluted
Incheon22.7 µg/m³2019Polluted
Daegu22.9 µg/m³2019Polluted
Seoul25.4 µg/m³2019Very polluted
Jeonju26 µg/m³2019Very polluted

Air quality by place

Sources

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