Singapore Records Highest 2026 Pollution as Timor-Leste Closes Schools

Singapore recorded its highest air-pollution readings of 2026 on 14 October as haze from Indonesian wildfires intensified across the region. One-hour PM2.5 concentrations reached 288 micrograms per cubic metre in the western part of the island, entering the National Environment Agency's very high band for the first time this season.

Timor-Leste announced the same day that it would suspend all in-person classes nationwide for three days beginning 15 October. The government cited contamination by pollutant particles from wildfires in neighbouring areas and directed schools to prepare homework for students. Dili had already recorded Air Quality Index values between 165 and 174. The suspension covers public, private and cooperative schools from pre-school through senior secondary and vocational levels.

Indonesia is experiencing its most intense wildfire season in 11 years, driven by El Niño-related dry conditions. More than 280,000 respiratory problems have been recorded in affected regions since mid-August. Fires have burned through hundreds of thousands of hectares of forest and plantation on Borneo and Sumatra. Malaysian states have also closed some schools. Singapore activated subsidies for haze-related medical treatment earlier in the week, a measure last used during the severe 2015 episode when western Singapore PM2.5 peaked at 471.

The World Health Organization recommends an annual average PM2.5 exposure of 5 micrograms per cubic metre. Hourly readings of 288 therefore represent a large short-term spike. Singapore's 24-hour Pollutant Standards Index remained in the unhealthy range. Several public sports facilities in the west of the island were temporarily closed, and some schools cancelled outdoor activities while remaining open for indoor classes.

Indonesian President Prabowo Subianto ordered additional resources to fight the fires. Coordinating ministry officials said all available capabilities were being mobilised. The haze has reached as far as the Philippines in addition to Singapore, Malaysia and Timor-Leste. Prevailing winds and the scale of the burns determine how long elevated particulate levels persist in downwind cities.

For Singapore the immediate response centres on health advisories and medical subsidies. For Timor-Leste the three-day school closure is a preventive step while air-quality monitoring continues. Both measures reflect the regional pattern that recurs in severe fire years: short-term disruption to schools, sports and outdoor work until rainfall or wind shifts reduce the smoke load.