SmogRank / World / South Korea / Gyeongsangbuk-do / February 2025

Most unhealthy days in Gyeongsangbuk-do, South Korea, February 2025

17 cities in Gyeongsangbuk-do, South Korea ranked by their share of unhealthy days over the 28 days. The most unhealthy days: Gumi, South Korea, 4 of 28 measured days. 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.

← Gumi 14% 10%0
Every city in Gyeongsangbuk-do, South Korea ranked for February 2025, 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.
  1. 1Gumi
    4 of 28
  2. 2Yeongju
    4 of 28
  3. 3Gimcheon
    3 of 28
  4. 4Sangju
    2 of 28
  5. 5Waegwan
    2 of 28
  6. 6Gyeongsan-si
    2 of 28
  7. 7Mungyeong
    2 of 28
  8. 8Hayang
    2 of 28
  9. 9Pohang
    1 of 28
  10. 9Andong
    1 of 28
  11. 11Yecheon
    1 of 28
  12. 12Cheongsong gun
    1 of 28
  13. 13Yeonil
    0 of 28
  14. 14Kunwi
    0 of 28
  15. 15Gyeongju
    0 of 28
  16. 16Eisen
    0 of 28
  17. 16Dodong-ri
    0 of 28
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, February 2025 · All cities in South Korea, February 2025 · Gyeongsangbuk-do now

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SmogRank, most polluted cities in Gyeongsangbuk-do, South Korea, by unhealthy days, PM2.5, February 2025, smogrank.com/kr/region/gyeongsangbuk-do/history/2025-02?by=days (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.