Malaysia’s air quality turns hazardous as Indonesian wildfires burn

Air pollution in Malaysia’s Bornean state of Sarawak has surged into hazardous territory, with the air pollutant index (API) topping 400 in the worst-hit district, as forest fires raging in Indonesia continue to send thick smoke drifting across the border.

Serian in Sarawak, closest to the frontier with Indonesia’s West Kalimantan province, recorded the highest reading of 476 as of Monday morning.

Kuching, Samarahan and Sri Aman all logged readings above 300 as of 10am, according to Malaysia’s...