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City, South Korea

Air quality in Daegu

Updated October 2026Sources
22.9PM2.5 µg/m³, yearly

Polluted

The annual average PM2.5 in Daegu was 22.9 µg/m³ in 2019, about 4.6 times the WHO guideline of 5 µg/m³. Fine dust affects spring and winter days; the basin location can trap pollution.

Key facts

PM2.5 by year

YearAnnual average
201922.9 µg/m³
201822.4 µg/m³
201724 µg/m³
201628 µg/m³
201527 µg/m³

Air quality across South Korea

PlacePM2.5Level
Jeju19.1 µg/m³Polluted
Seogwipo19.1 µg/m³Polluted
Busan21 µg/m³Polluted
Incheon22.7 µg/m³Polluted
Daegu22.9 µg/m³Polluted
Seoul25.4 µg/m³Very polluted
Jeonju26 µg/m³Very polluted

Quick answers

Is the air in Daegu bad?

Polluted: 22.9 µg/m³ of PM2.5 on average, 4.6× the WHO guideline. It's usually worst in Mar–Apr, Dec–Jan.

When is the air worst in Daegu?

Fine dust affects spring and winter days; the basin location can trap pollution.

How does Daegu 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 22.9 µg/m³ measured here.

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Sources

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 Spotted something out of date?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.