SmogRank / World / South Korea / Gyeongsangnam-do / August 2025

Most polluted cities in Gyeongsangnam-do, South Korea, August 2025

13 cities in Gyeongsangnam-do, South Korea ranked by their average PM2.5 over the 31 days. Worst: Changnyeong at 13.1 µg/m³, #532 of 2,841 cities in the world. Cleanest: Geoje at 9.4. A city needs measurements on 70% of the days to be ranked.

About 0 people in these 7 cities breathed unhealthy air on an average day of August 2025.

Ranked by people: each city's population times its share of unhealthy days, those with a daily mean over 35.4 µg/m³ (US AQI 101+). That is how many people living there breathed unhealthy air on an average day. Only cities measured at 2 or more places at least 3 km apart are ranked: one monitor shouldn't speak for a whole city. Population is the city itself, not its wider metro area.

← Yangsan 0 0.750
Every city in Gyeongsangnam-do, South Korea ranked for August 2025 with monitors in two or more places, one column each, ranked by people breathing unhealthy air: height is people on an average day, colour its average. Point at it to read a city; tap to open it.
  1. 1Yangsan
    0
  2. 1Sinhyeon
    0
  3. 3Ungsang
    0
  4. 4Changwon
    0
  5. 5Naesŏ
    0
  6. 6Kimhae
    0
  7. 7Chinju
    0
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, August 2025 · All cities in South Korea, August 2025 · Gyeongsangnam-do now

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SmogRank, most polluted cities in Gyeongsangnam-do, South Korea, PM2.5, August 2025, smogrank.com/kr/region/gyeongsangnam-do/history/2025-08 (accessed 7 Oct 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.