SmogRank / World / Japan / Chiba / March 2024

Most polluted cities in Chiba, Japan, March 2024

28 cities in Chiba, Japan ranked by their average PM2.5 over the 31 days. Worst: Baraki at 11.0 µg/m³, #294 of 1,643 cities in the world. Cleanest: Nagadomi at 6.3. A city needs measurements on 70% of the days to be ranked.

OpenAQ's archive, where our readings come from, has almost none from Japan for March 21, 2024: cities in Japan are averaged over their other days. Why.

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.

← Yachimata 4% 3%0
Every city in Chiba, Japan ranked for March 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. 1Yachimata
    4%
  2. 2Baraki
    0%
  3. 3Noda
    0%
  4. 3Yotsukaidō
    0%
  5. 5Kashiwa
    0%
  6. 6Matsudo
    0%
  7. 6Kimitsu
    0%
  8. 8Sōsa
    0%
  9. 9Kamagaya
    0%
  10. 10Kisarazu
    0%
  11. 10Sukayama
    0%
  12. 12Tōgane
    0%
  13. 12Chiba
    0%
  14. 12Narashino
    0%
  15. 15Urayasu
    0%
  16. 16Sodegaura
    0%
  17. 17Ichihara
    0%
  18. 18Yokoshiba
    0%
  19. 19Inzai
    0%
  20. 20Narita
    0%
  21. 20Ichinomiya
    0%
  22. 20Choshi
    0%
  23. 23Mobara
    0%
  24. 24Omigawa
    0%
  25. 25Sakura
    0%
  26. 25Ajiki
    0%
  27. 27Tateyama
    0%
  28. 28Nagadomi
    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, March 2024 · All cities in Japan, March 2024 · Chiba now

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SmogRank, most polluted cities in Chiba, Japan, PM2.5, March 2024, smogrank.com/jp/region/chiba/history/2024-03 (accessed 6 Oct 2026).

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