BATU Muda recorded the country's highest Air Pollution Index (API) reading at 83 as 45 areas nationwide registered moderate air quality this morning.
The Malaysian Air Pollution Index Management System (APIMS) portal showed Cheras had the second-highest reading at 76, while no monitoring stations recorded unhealthy air quality.
Sarawak recorded the highest number of locations with moderate air quality, with 10 areas affected, led by Serian at 68, followed by Sri Aman (65), Samalaju (62), Mukah and Kuching (61 each), Samarahan (59), Sibu (56), Kapit (53), Bintulu (52) and Sarikei (51).
Johor recorded six locations with moderate readings, led by Larkin (73), followed by Kluang (69), Pasir Gudang (61), Tangkak (60), Pengerang (55) and Segamat (51).
In Selangor, Johan Setia recorded 71, followed by Klang (69), Shah Alam and Banting (60 each), and Petaling Jaya (58).
Negeri Sembilan had three affected locations, namely Nilai (66), Seremban (62) and Port Dickson (56).
In Sabah, Tawau and Keningau recorded 60 each, followed by Kimanis (56) and Sandakan (52).
Perak also had three locations with moderate readings, namely Tasek Ipoh (63), Pegoh Ipoh (59) and Seri Manjung (54), while Seberang Perai and Seberang Jaya in Penang recorded 68 and 53 respectively.
Other locations with moderate air quality were Putrajaya (62), Balok Baru in Kuantan (61), Labuan (53), Kuala Terengganu (55) and Sungai Petani (59).
In Melaka, Bukit Rambai recorded 61, Alor Gajah 60 and Bandaraya Melaka 59, while Kota Bharu and Tanah Merah in Kelantan registered 59 and 51 respectively.
The remaining 24 locations recorded good air quality.
Under the APIMS classification, readings of zero to 50 indicate good air quality, 51 to 100 moderate, 101 to 200 unhealthy, 201 to 300 very unhealthy and above 300 hazardous. - October 31, 2026
