Transboundary haze has choked Southeast Asia since the 1980s, but the 2026 crisis has triggered fierce diplomatic clashes over sovereignty, accountability, and cross-border environmental damage.
The Cost of Inaction Across Borders
Malay Mail reported that nationwide respiratory infections surged by 10.43 percent, while conjunctivitis cases jumped by 26.47 percent.
The disruption spilled heavily into the economy. Tourism operators faced widespread cancellations, threatening millions of ringgit in lost revenue. Meanwhile, outdoor laborers found themselves sidelined. As Malaysian lawmaker Kalam Salan noted during an October debate in the Dewan Rakyat, Indonesian workers employed on Malaysian plantations were equally affected: They can’t work and do not receive wages. How could they live? They cannot send money to their families back home in Indonesia,
Tempo reported.
The diplomatic strain intensified when Kalam addressed Indonesian President Prabowo Subianto directly in Javanese during the 2027 Budget Bill debate on 21 October 2026. Criticizing previous remarks from Indonesian officials who suggested neighboring countries also benefit from Indonesian oxygen, Kalam pleaded for an end to the fires: Sir, the smoke from the forest fires makes it difficult for Malaysians to breathe.
The Limits of ASEAN Diplomacy
Efforts to manage the crisis remain constrained by the foundational principles of the Association of Southeast Asian Nations. Governed by the ASEAN Way—which prioritizes consensus, informal diplomacy, and non-interference—regional mechanisms have repeatedly failed to halt the cycle of fires. East Asia Forum reported that although ASEAN adopted the legally binding ASEAN Agreement on Transboundary Haze Pollution (AATHP), Indonesia delayed ratifying it until 2014.
The AATHP contains no punitive enforcement measures for non-compliance, leaving member states to interpret and implement guidelines individually. Missed deadlines have compounded skepticism. After failing to meet the goal of a Transboundary Haze-Free ASEAN by 2020, the bloc established a new target for 2030. With barely four years remaining, policymakers are divided on how to enforce accountability without triggering diplomatic retaliation.
Indonesia has frequently pushed back against foreign criticism. During the height of the 2026 haze, a representative from the Indonesian Government Communications Agency reminded neighbors that Indonesia supplies oxygen alongside smoke. On 28 August, an Indonesian Foreign Ministry spokesperson asserted that Jakarta had not received any formal state-to-state objections regarding the haze.
Proposals for Legal Action and Regional Reform
Frustrated by recurring diplomatic stalemates, some lawmakers are urging tougher measures. Malaysian lawmaker Lim Guan Eng suggested during an October budget debate that Kuala Lumpur could pursue financial compensation if Jakarta rejects a proposed ASEAN task force. Another lawmaker, Datuk Ali Biju, urged the government to explore international legal avenues to hold responsible entities accountable.
On the Indonesian side, lawmakers have acknowledged the urgency of domestic reform. Johan Rosihan, a member of DPR Commission IV, viewed Malaysia’s push to raise the issue at the upcoming ASEAN Summit as a welcome opportunity to strengthen early warning systems and corporate monitoring, Kompas reported. Similarly, Willy Aditya, chairman of Indonesia’s House of Representatives Commission XII, called for investigations through a public health and rights lens, as South Sumatra health data recorded 52,483 acute respiratory infection cases in September alone.
As Malaysia prepares to bring the haze issue to the ASEAN Foreign Ministers’ Meeting ahead of the 49th ASEAN Summit in Manila, foreign minister Datuk Seri Mohamad Hasan emphasized that Malaysia cannot remain passive. Whether the bloc can evolve its legal frameworks before the 2030 deadline remains the central, unresolved question for the region.
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