Every few years, the winds that cross the Strait of Malacca carry more than humidity — they carry the consequences of distant fires and shifting climate patterns. On September 14, Singapore's central region recorded a Pollutant Standards Index of 102, crossing into unhealthy air for the first time since October 2023, as smoke from burning land in Kalimantan and Sumatra drifted in on southeasterly winds. The episode is a quiet reminder that a city-state's air is not its own to govern, bound instead to the fire seasons and weather systems of a much larger region. El Niño and the Indian Ocean Dip
Singapore's central region air quality returns to unhealthy levels with PSI at 102
NEA advises public to reduce outdoor activities during unhealthy air quality periods.