SINGAPORE — Singapore will amend its transboundary haze legislation to give the government far stronger powers to investigate companies suspected of causing air pollution, Environment Minister Grace Fu said on Wednesday, 4 November 2026. The changes would raise maximum fines tenfold, allow private-sector assessors to investigate suspected polluters, and let the government block other firms from working with companies under suspicion.
"Following the recent haze episode, it is clear that the status quo is no longer tenable," Fu said, according to Reuters. The announcement marks Singapore's toughest legislative response yet to a recurring regional problem: smoke drifting across borders from land and forest fires, which periodically blankets the city-state in haze and raises public-health and economic concerns.
Illustration: Singapore's skyline under a hazy orange-grey sky.
What Happened
Fu set out the planned amendments on Wednesday, framing them as a direct response to the most recent haze episode. Under the proposal, the government would be empowered to appoint private-sector assessors to investigate companies with suspected links to haze pollution in Singapore — a significant expansion of its investigative reach beyond its own officials.
The financial penalties would also rise sharply. Companies found guilty of contributing to haze pollution could be fined up to S$1 million per day, up to a maximum of S$20 million. Under the current rules, fines are capped at S$100,000 (about $78,200) a day, with an overall cap of S$2 million. In other words, both the daily rate and the total ceiling would increase tenfold.
A third element targets the business relationships around a suspected polluter. The amendments would allow the government to prevent other companies from working with firms suspected of contributing to haze, with fines of up to S$1 million for each offence and a further S$100,000 for each day the breach continues.
Fu linked the changes to the practical difficulty of proving corporate responsibility across borders. "We need better ways to obtain and verify information, trace corporate relationships and impose meaningful consequences on errant entities, even where criminal prosecution proves difficult," she said.
The announcement did not come out of nowhere. The city-state has already issued notices to 10 Singapore-registered companies seeking information on their operations and potential links to the haze, Reuters reported. Separately, the Monetary Authority of Singapore has warned that banks should impose conditions on, and even end relationships with, companies that may have breached environmental laws — a financial lever running alongside the legal one.
Background
Transboundary haze has been a recurring challenge for Singapore and its neighbours for years. Smoke from fires on agricultural and forest land in the region can travel hundreds of kilometres, depending on wind patterns and the dry season, and settle over cities far from where the fires started. When haze episodes are severe, they affect air quality, public health, schools, outdoor work and tourism, and they strain relations between neighbouring governments.
Singapore already has legislation aimed at this problem, and the current fine structure described by Fu — up to S$100,000 a day, capped at S$2 million — reflects that earlier framework. The difficulty, as Fu's remarks make clear, has been enforcement rather than the absence of a law: tracing a plume of smoke back through layers of corporate ownership, subsidiaries, contractors and suppliers to a company that can be held responsible is slow and legally complex, especially when the fires themselves occur outside Singapore's jurisdiction.
That enforcement gap helps explain the two most distinctive features of the new proposal. Private-sector assessors would add investigative capacity and expertise that government agencies may not have in-house, while the power to restrict business dealings with suspected firms creates commercial pressure even before — or alongside — any prosecution. The approach mirrors a broader shift in environmental regulation, in which regulators increasingly target the financial and commercial networks around an activity, not only the activity itself.
The timing also matters. On Tuesday, 3 November, Singapore said it would work with ASEAN member states to strengthen implementation of the regional agreement on transboundary haze when it chairs the regional bloc next year, in 2027. The legislative amendments therefore arrive as part of a two-track strategy: tougher domestic law at home, and stronger regional cooperation abroad.
Illustration: A government official announces a new environmental law at a press briefing.
Why It Matters
First, the tenfold increase in fines changes the arithmetic for companies. A maximum penalty of S$2 million may be absorbable for a large business; S$20 million, accruing at S$1 million a day, is harder to treat as a cost of doing business. If the amendments pass as described, they signal that Singapore intends penalties to deter, not merely to punish after the fact.
Second, the private-assessor power addresses the weakest link in haze enforcement: information. By bringing in outside investigators, Singapore could move faster and dig deeper into corporate structures — tracing ownership, supply chains and land-management arrangements that are difficult to untangle from within government alone. Fu's emphasis on obtaining and verifying information, and on tracing corporate relationships, points directly at this problem.
Third, the power to cut off business relationships extends the consequences beyond the suspected polluter itself. Suppliers, buyers, contractors and financiers would have a new reason to scrutinise their partners' environmental records. Combined with the central bank's warning to banks, this creates a web of commercial incentives that may prove more effective than fines alone — a company that loses banking services and business partners faces a different kind of pressure than one that simply pays a penalty.
Fourth, the move has regional significance. Singapore is one of the countries most visibly affected by transboundary haze, and its legislative choices are watched across Southeast Asia. A tougher Singaporean law, paired with its 2027 ASEAN chairmanship, could encourage neighbouring governments to tighten their own enforcement and to cooperate more closely on monitoring, prevention and accountability. At the same time, it may raise questions from businesses about due process: the proposal, as reported, would allow restrictions on firms that are suspected of contributing to haze, and the balance between swift action and fair process is likely to be debated as the amendments move forward.
What Happens Next
The next step is the formal introduction of the amendments, which will set out the precise legal text, the scope of the assessors' powers, and the procedures for restricting business dealings. Details that remain to be clarified include how a company is designated as "suspected," what rights of appeal or representation it would have, and how the assessors' findings would be used in any subsequent proceedings.
Businesses with links to the region — including the 10 Singapore-registered companies already asked for information — will be watching those details closely, as will banks responding to the Monetary Authority of Singapore's warning. Companies may review their supply chains, land-management practices and environmental compliance ahead of the new regime taking effect.
Regionally, attention will turn to Singapore's ASEAN chairmanship in 2027 and whether the promised push to strengthen implementation of the transboundary haze agreement produces concrete commitments from member states. The real test of the new law, however, will come with the next dry season: whether stronger powers, larger fines and commercial pressure can prevent haze episodes, or at least hold those responsible to account more quickly than before.
Illustration: A tropical peatland plantation landscape with distant smoke rising from cleared land.
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FAQ
What is Singapore changing in its haze law?
Singapore plans to amend its transboundary haze legislation to allow private-sector assessors to investigate suspected polluters, raise maximum fines tenfold, and let the government prevent other firms from working with suspected contributors.
How large would the new fines be?
Companies found guilty of contributing to haze could face up to S$1 million per day, capped at S$20 million — up from S$100,000 a day and a S$2 million cap under current rules.
What are private-sector assessors?
They are outside investigators the government would be empowered to appoint to examine companies with suspected links to haze pollution in Singapore, helping it obtain and verify information and trace corporate relationships.
Can firms be penalised for working with a suspected polluter?
Under the proposal, yes: the government could prevent other companies from working with suspected contributors, with fines of up to S$1 million per offence and a further S$100,000 for each day the breach continues.
What has already happened before the amendments?
Singapore has issued information notices to 10 Singapore-registered companies about their operations and potential links to the haze, and its central bank has warned banks to impose conditions on, or end relationships with, firms that may have breached environmental laws.
Sources
- Reuters, "Singapore to amend haze law to widen investigation powers," 4 November 2026.
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