SmogRank / World / Asia / South Korea / Gwangju

Most polluted cities in Gwangju, South Korea

2 measured cities, last 7 days; 0 above the WHO 24-hour guideline. Worst: Masan at 11.8 µg/m³, #535 in the world.

Jeollanam-do: 16 measured citiesGwangju: 2 measured citiesJeollabuk-do: 13 measured cities#2 Gwangju: 10.9 µg/m³#1 Masan: 11.8 µg/m³
Each dot is a measured city, coloured by its PM2.5; tap a dot to open the city.
  1. 1Masan 17
  2. 2Gwangju 16
Excellent0–50
Good51–100
Lightly polluted101–150
Moderately polluted151–200
Heavily polluted201–300
Severely polluted301+

China's Air Quality Index (HJ 633-2012), PM2.5 individual index. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

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SmogRank, most polluted cities in Gwangju, South Korea, PM2.5, last 7 days to 2 Oct 2026, 06:00 UTC, smogrank.com/kr/region/gwangju?w=7d.

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Updated 2026-10-02 06:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the China AQI PM2.5 sub-index.