El Niño.

Indonesia’s Worst Wildfires Since 2015 Spread Regional Haze

Indonesia is facing its worst wildfire season since 2015, as El Niño-driven drought and damaged peatlands fuel fires that have produced hazardous air pollution, widespread respiratory illness and disruption across the country. Smoke has spread to neighboring countries, prompting school closures, while Indonesian officials say they will restore degraded peatlands and Singapore is weighing penalties against companies responsible for the haze.