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Southeast Asian transboundary haze crisis fluctuates

98 recorded revisions of this situation.

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2026-10-30 03:32 UTC → 2026-11-04 04:05 UTC · added removed

Southeast Asian transboundary haze crisis intensifies fluctuates

The transboundary haze crisis in Southeast Asia intensified as Asia, driven by the 2026 El Niño phenomenon drove severe drought and escalating forest fires. By late August 2026, the crisis caused widespread disruptions. In Indonesia, the government implemented weather modification to induce rain, while in Riau, institutions like Universitas Abdurrab established emergency clinics and Universitas Riau transitioned to online learning. Air quality reached critical levels across the region. In Malaysia, Sri Aman recorded a ‘very unhealthy’ Air Pollutant Index (API) of 211, and asthma cases reportedly increased more than eightfold phenomenon, experienced significant fluctuations in a single week. By mid-September, air quality through late October and early November. While conditions had briefly improved in Indonesia reached hazardous levels. In Kalimantan, Kotawaringin Timur recorded an ISPU exceeding 1,111. In Singapore, late October, air quality fluctuated between moderate and unhealthy throughout September and October, driven by smoke drifting from Kalimantan and Sumatra. By October 20, approximately 30 to 31 areas in Malaysia reported unhealthy levels, regressed on October 22, with the 17 monitoring stations reporting unhealthy Air Pollutant Index (API) levels. The highest readings were recorded in Batu Muda, Kuala Lumpur, Nilai, Negeri Sembilan, at 164, and Johan Setia, Selangor, reaching between 172 at 162. Unhealthy levels were also noted in Selangor, Negeri Sembilan, Melaka, Kuala Lumpur, Johor, and 173. In Singapore, four out of five regions experienced Sarawak. By October 27, Samalaju in Sarawak became the only area in Malaysia to record an unhealthy PSI levels as API of 152, while most other regions maintained moderate levels. In Singapore, air quality improved by October 20, 23, with PM2.5 readings between 103 and 136. The haze led returning to the cancellation or modification normal range after more than two weeks of at least nine major running events in Malaysia and Singapore, including the Kuching Marathon. unhealthy conditions. However, by late October, the National Environment Agency warned that air quality could temporarily worsen due to dry conditions in southern Sumatra and Kalimantan, which might transport smoke toward Singapore under south-easterly winds. By November 4, air quality across Malaysia showed improvement, had stabilized at good to moderate levels, with no areas recording stations reporting unhealthy API levels. In Singapore, conditions readings. Monitoring systems indicated good air quality in parts of Sarawak, Terengganu, and Pahang, while moderate readings were expected to ease due to shifting winds widespread across Selangor, Kuala Lumpur, Negeri Sembilan, Perak, Johor, Kelantan, Penang, Sabah, Melaka, and increased rainfall as inter-monsoon conditions set in. Sarawak.

Versions

  1. 2026-11-04 04:05 UTC Southeast Asian transboundary haze crisis fluctuates
  2. 2026-10-30 03:32 UTC Southeast Asian transboundary haze crisis intensifies
  3. 2026-10-27 01:41 UTC Southeast Asian transboundary haze crisis intensifies
  4. 2026-10-23 01:13 UTC Southeast Asian transboundary haze crisis intensifies
  5. 2026-10-20 04:34 UTC Southeast Asian transboundary haze crisis intensifies
  6. 2026-10-19 06:28 UTC Southeast Asian transboundary haze crisis intensifies
  7. 2026-10-18 12:27 UTC Southeast Asian transboundary haze crisis intensifies
  8. 2026-10-17 22:50 UTC Southeast Asian transboundary haze crisis intensifies
  9. 2026-10-17 11:54 UTC Southeast Asian transboundary haze crisis intensifies
  10. 2026-10-17 02:37 UTC Southeast Asian transboundary haze crisis intensifies
  11. 2026-10-15 05:35 UTC Southeast Asian transboundary haze crisis intensifies
  12. 2026-10-13 23:23 UTC Southeast Asian transboundary haze crisis intensifies
  13. 2026-10-13 08:51 UTC Southeast Asian transboundary haze crisis intensifies
  14. 2026-10-12 03:46 UTC Southeast Asian transboundary haze crisis intensifies
  15. 2026-10-10 10:41 UTC Southeast Asian transboundary haze crisis intensifies
  16. 2026-10-07 09:38 UTC Southeast Asian transboundary haze crisis intensifies
  17. 2026-10-06 03:23 UTC Southeast Asian transboundary haze crisis intensifies
  18. 2026-10-06 02:11 UTC Southeast Asian transboundary haze crisis intensifies
  19. 2026-10-05 01:24 UTC Southeast Asian transboundary haze crisis intensifies
  20. 2026-10-01 23:43 UTC Southeast Asian transboundary haze crisis intensifies
  21. 2026-09-30 12:02 UTC Southeast Asian transboundary haze crisis intensifies
  22. 2026-09-29 11:23 UTC Southeast Asian transboundary haze crisis intensifies
  23. 2026-09-29 02:42 UTC Southeast Asian transboundary haze crisis intensifies
  24. 2026-09-27 08:47 UTC Southeast Asian transboundary haze crisis intensifies
  25. 2026-09-25 22:36 UTC Southeast Asian transboundary haze crisis intensifies
  26. 2026-09-24 01:21 UTC Southeast Asian transboundary haze crisis intensifies
  27. 2026-09-21 03:44 UTC Southeast Asian transboundary haze crisis intensifies
  28. 2026-09-18 00:46 UTC Southeast Asian transboundary haze crisis intensifies
  29. 2026-09-17 08:55 UTC Southeast Asian transboundary haze crisis intensifies
  30. 2026-09-17 05:31 UTC Southeast Asian transboundary haze crisis intensifies
  31. 2026-09-15 04:01 UTC Southeast Asian transboundary haze crisis intensifies
  32. 2026-09-14 13:39 UTC Southeast Asian transboundary haze crisis intensifies
  33. 2026-09-10 02:40 UTC Southeast Asian transboundary haze crisis intensifies
  34. 2026-09-08 10:21 UTC Southeast Asian transboundary haze crisis intensifies
  35. 2026-09-07 09:30 UTC Southeast Asian transboundary haze crisis intensifies
  36. 2026-09-07 05:01 UTC Southeast Asian transboundary haze crisis intensifies
  37. 2026-09-06 14:03 UTC Southeast Asian transboundary haze crisis intensifies
  38. 2026-09-06 11:14 UTC Southeast Asian transboundary haze crisis intensifies
  39. 2026-09-06 06:57 UTC Southeast Asian transboundary haze crisis intensifies
  40. 2026-09-05 14:41 UTC Southeast Asian transboundary haze crisis intensifies
  41. 2026-09-05 10:51 UTC Southeast Asian transboundary haze crisis intensifies
  42. 2026-09-05 06:42 UTC Southeast Asian transboundary haze crisis intensifies
  43. 2026-09-04 13:11 UTC Southeast Asian transboundary haze crisis intensifies
  44. 2026-09-04 07:35 UTC Southeast Asian transboundary haze crisis intensifies
  45. 2026-09-03 16:49 UTC Southeast Asian transboundary haze crisis intensifies
  46. 2026-09-03 06:14 UTC Southeast Asian transboundary haze crisis intensifies
  47. 2026-09-03 02:55 UTC Southeast Asian transboundary haze crisis intensifies
  48. 2026-09-02 15:53 UTC Southeast Asian transboundary haze crisis intensifies
  49. 2026-09-01 11:58 UTC Southeast Asian transboundary haze crisis intensifies
  50. 2026-09-01 03:01 UTC Southeast Asian transboundary haze crisis intensifies

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