Science

Indonesia Wildfire Timeline 1997-2026: Peat Fires, El Nino & Haze

Indonesia has suffered recurring wildfire disasters since 1997 because millions of hectares of tropical peatland were drained for palm oil and pulpwood plantat…

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THE GREAT HAZE

El Nino Triggers Catastrophic Southeast Asian Haze Crisis

One of the strongest El Nino events on record coincided with rapid drainage of peat swamps for agriculture. Roughly 8 million hectares burned, sending toxic haze over Ma…

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FIRES RETURN

A Weaker El Nino Still Reignites Peatland Fires

A moderate El Nino produced another major fire and haze episode centred on Kalimantan. It showed that drainage for plantations had expanded, not eased, Indonesia's vulne…

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RIAU HAZE

Riau Fires Send Singapore's Air Quality to Record Highs

Fires concentrated in Riau, Sumatra, pushed Singapore's Pollutant Standards Index to record levels, prompting a haze emergency. It showed how concentrated peat burning n…

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THE DEFINING DISASTER

El Nino Supercharges Indonesia's Peatland Wildfire Disaster

A strong El Nino turned a routine dry season into Indonesia's costliest modern fire disaster. Fires burned 2.6 million hectares between June and October, and the World B…

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POLICY RESPONSE

Indonesia Establishes the Peatland Restoration Agency

President Joko Widodo created the Peatland Restoration Agency (BRG) by presidential regulation, tasking it with restoring the same 2.6 million hectares that had just bur…

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ANOTHER SEVERE SEASON

Prolonged Dry Season Sparks Massive Transboundary Fires

A weak-to-moderate El Nino combined with dry conditions to produce Indonesia's worst season since 2015. Official figures put burned area at 1.64 million hectares; indepe…

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MIXED PROGRESS

Wetter Years Buy Time, Then El Nino Returns

La Nina conditions through much of 2020-2022 kept Indonesia relatively wet, and reported burned area stayed well below 2015 and 2019 levels. But independent assessments…

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MOST INTENSE SEASON SINCE 2…

A Very Strong El Nino Drives Indonesia's Worst Season in 11 Years

BMKG classified the current El Nino as very strong on Sept 8, 2026 (3-month ENSO index +2.2). Reuters reported this as Indonesia's most intense fire season in 11 years:…

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