JOHOR emerged as the state worst affected by haze as at 7am on Monday, with all eight locations recording unhealthy air quality, led by Kota Tinggi at 170, according to the Malaysian Air Pollutant Index Management System (APIMS).
Pasir Gudang recorded the second-highest reading in the state at 168, followed by Pengerang (164), Larkin (162), Tangkak (156), Batu Pahat (152), Kluang (152) and Segamat (136).
Negeri Sembilan was also affected, with Seremban recording an API reading of 162 and Nilai 160.
On the east coast, Balok Baru in Kuantan, Pahang, registered 161, followed by Kemaman in Terengganu (158), Rompin in Pahang (157), and Paka and Kuala Terengganu, both at 156.
Other locations with unhealthy air quality included Bukit Rambai in Melaka (152), Indera Mahkota in Kuantan (145), Johan Setia in Selangor (134), Putrajaya (110) and Cheras in Kuala Lumpur (108).
APIMS data showed that another 44 locations recorded moderate air quality, including Port Dickson (99), Alor Gajah (98), Bandaraya Melaka (97), Tawau (94), Miri (92) and Banting (83).
Only three locations reported good air quality: Kangar in Perlis at 43, Balik Pulau in Penang at 41 and Langkawi in Kedah at 28.
API readings of 101 to 200 are classified as unhealthy, while readings of 51 to 100 indicate moderate air quality and zero to 50 indicate good air quality. - October 12, 2026