The report by the Singapore Institute of International Affairs identified August to September as the "peak danger" period for transboundary haze. SINGAPORE: Southeast Asia faces a high risk of severe transboundary haze for the rest of 2026, with conditions expected to peak between August and September due to a strong El Nino bringing about hotter and drier conditions, a Singapore think-tank warned on Wednesday (Jun 24). The Singapore Institute of International Affairs (SIIA) said it has issued