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

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

26 cities in Gyeonggi-do, South Korea ranked by their average PM2.5 over the 30 days. Worst: Gimpo-si at 11.8 µg/m³, #259 of 1,964 cities in the world. Cleanest: Gapyeong at 4.2. 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.

← Gimpo-si 0% 0.75%0

Every city in Gyeonggi-do, South Korea ranked for September 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.

1Gimpo-si
0%
2Hwaseong-si
0%
3Hanam
0%
4Gwangmyeong
0%
5Goyang-si
0%
5Icheon-si
0%
7Pyeongtaek
0%
8Suwon
0%
9Ansan-si
0%
10Osan
0%
11Anyang-si
0%
12Bucheon-si
0%
12Guri-si
0%
12Pubal
0%
15Yeoju
0%
16Uijeongbu-si
0%
17Gwangju
0%
17Namyangju
0%
19Seongnam-si
0%
20Hwado
0%
21Yangp'yŏng
0%
22Munsan
0%
22Wabu
0%
24Anseong
0%
25Yangju
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, September 2024 · All cities in South Korea, September 2024 · Gyeonggi-do now

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SmogRank, most polluted cities in Gyeonggi-do, South Korea, PM2.5, September 2024, smogrank.com/kr/region/gyeonggi-do/history/2024-09 (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.