KUALA LUMPUR, Sept. 21 -- hit areas.

IPD Serian in Sarawak posted the nation's highest reading at 168, closely followed by Kapit at 166 and Sri Aman at 160. A cluster of four stations, namely Nilai in Negeri Sembilan alongside Miri, Bintulu, and Kuching in Sarawak, all tied close behind at 158.

Sarawak heavily blanketed with 11 stations

Sarawak remained overwhelmingly the most affected state, accounting for 11 of the 21 unhealthy stations recorded this morning.

Beyond the three highest readings, elevated pollution levels were logged in Samarahan (157), Sibu (156), Samalaju (155), ILP Miri (146), and Limbang (104), reflecting the broad and persistent reach of the haze across both northern and central divisions.

Peninsular states and S...