Serian's air quality remains hazardous at 343, four other areas very unhealthy
As of 8am, only Serian in Sarawak recorded a hazardous API reading of 343, while Sri Aman, Kuching, Samarahan and Sarikei were at very unhealthy levels. Haze also affected air quality in Labuan and most of Sabah, while most areas in the Klang Valley were at moderate levels.