SmogRank / World / Japan / Kumamoto / May 2024

Most unhealthy days in Kumamoto, Japan, May 2024

16 cities in Kumamoto, Japan ranked by their share of unhealthy days over the 31 days. The most unhealthy days: Ōyanomachi-noboritate, Japan, 2 of 27 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.

← Ōyanomachi-noboritate 7% 7%0
Every city in Kumamoto, Japan ranked for May 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.
  1. 1Ōyanomachi-noboritate
    2 of 27
  2. 2Arao
    1 of 30
  3. 3Honmachi
    0 of 30
  4. 4Tomioka
    0 of 30
  5. 5Uekimachi-mōno
    0 of 30
  6. 6Minamata
    0 of 30
  7. 7Uto
    0 of 30
  8. 8Tamana
    0 of 30
  9. 9Ōzu
    0 of 30
  10. 10Kikuchi
    0 of 30
  11. 11Kotō
    0 of 30
  12. 12Yamaga
    0 of 30
  13. 12Kumamoto
    0 of 30
  14. 14Hitoyoshi
    0 of 30
  15. 15Iwashita
    0 of 30
  16. 16Aso
    0 of 30
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, May 2024 · All cities in Japan, May 2024 · Kumamoto now

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SmogRank, most polluted cities in Kumamoto, Japan, by unhealthy days, PM2.5, May 2024, smogrank.com/jp/region/kumamoto/history/2024-05?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.