SmogRank / World / Japan / Hyōgo / July 2025

Most polluted cities in Hyōgo, Japan, July 2025

17 cities in Hyōgo, Japan ranked by their average PM2.5 over the 31 days. Worst: Sandachō at 16.0 µg/m³, #320 of 2,832 cities in the world. Cleanest: Sumoto at 10.3. 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.

← Tatsuno 16% 10%0
Every city in Hyōgo, Japan ranked for July 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. 1Tatsuno
    16%
  2. 2Sandachō
    13%
  3. 3Ono
    13%
  4. 4Aioi
    13%
  5. 5Higashinozoe
    13%
  6. 6Kakogawachō-honmachi
    13%
  7. 7Takarazuka
    13%
  8. 8Nishiwaki
    11%
  9. 9Kariya
    10%
  10. 10Ikaruga
    6%
  11. 11Akashi
    6%
  12. 12Nishinomiya
    3%
  13. 13Amagasaki
    3%
  14. 14Toyooka
    3%
  15. 15Himeji
    0%
  16. 16Kobe
    0%
  17. 17Sumoto
    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, July 2025 · All cities in Japan, July 2025 · Hyōgo now

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SmogRank, most polluted cities in Hyōgo, Japan, PM2.5, July 2025, smogrank.com/jp/region/hyogo/history/2025-07 (accessed 7 Oct 2026).

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