SmogRank / World / South Korea / Gyeonggi-do / October 2024

Most polluted cities in Gyeonggi-do, South Korea, October 2024

26 cities in Gyeonggi-do, South Korea ranked by their average PM2.5 over the 31 days. Worst: Pubal at 18.3 µg/m³, #146 of 1,966 cities in the world. Cleanest: Gapyeong at 7.0. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

← Hwaseong-si 3% 3%0

Every city in Gyeonggi-do, South Korea ranked for October 2024, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.

1Hwaseong-si
3%
2Ansan-si
3%
3Pyeongtaek
3%
4Pubal
0%
5Gimpo-si
0%
6Goyang-si
0%
7Icheon-si
0%
8Bucheon-si
0%
9Yeoju
0%
10Anyang-si
0%
11Gwangmyeong
0%
12Suwon
0%
12Osan
0%
14Uijeongbu-si
0%
15Hanam
0%
16Munsan
0%
17Guri-si
0%
18Hwado
0%
19Gwangju
0%
20Anseong
0%
20Seongnam-si
0%
20Namyangju
0%
23Yangju
0%
24Yangp'yŏng
0%
25Wabu
0%
26Gapyeong
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, October 2024 · All cities in South Korea, October 2024 · Gyeonggi-do now

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SmogRank, most polluted cities in Gyeonggi-do, South Korea, PM2.5, October 2024, smogrank.com/kr/region/gyeonggi-do/history/2024-10 (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.