National Air Quality Improves As No Areas Record Unhealthy API Levels On Wednesday Morning

KUALA LUMPUR, Oct 28 – Air quality across Malaysia remained generally satisfactory on Wednesday morning, October 28, 2026, with no locations registering unhealthy Air Pollutant Index (API) levels as of 9:00 AM.

Data retrieved from the Malaysian Air Pollutant Index Management System (APIMS) portal revealed that 43 monitoring stations logged moderate air quality, while 25 locations enjoyed good air quality.

Batu Pahat in Johor recorded the highest moderate API reading nationwide at 92, followed by Batu Muda in Kuala Lumpur at 87.

The improved conditions follow earlier atmospheric improvements, with previous haze-affected zones such as Samalaju in Sarawak clearing out of the unhealthy threshold to register a moderate reading of 74.

Regional Breakdown of APIMS Readings and Standard Index Parameters

Key location metrics across states and standard national API benchmarks include:

• Moderate Air Quality Locations: Key areas recording moderate API scores included Batu Pahat (92), Batu Muda (87), Kluang and Pasir Gudang (84), Larkin (82), Tangkak (75), Samalaju and Sri Aman (74), Kota Tinggi (71), Seremban and Pengerang (70), Bintulu (70), Samarahan and Kuching (69), Melaka City, Segamat, and Rompin (67 each), IPD Serian (66), Balok Baru in Kuantan and Keningau (65 each), Alor Gajah (64), Sibu (63), Shah Alam and Johan Setia (62 each), and Bukit Rambai (61).
• Additional Moderate Stations: Moderate readings were also logged in Tasek Ipoh, Kapit, and Sarikei (60 each), Klang and Nilai (59 each), Cheras and Miri (58 each), Seberang Perai, Putrajaya, and Limbang (57 each), Banting and Sandakan (56 each), Seri Manjung, Petaling Jaya, Tawau, and Politeknik Kota Kinabalu (55 each), and Port Dickson (52).
• Good Air Quality Locations: A total of 25 stations recorded good API levels, led by Temerloh and Labuan (49 each), Pegoh Ipoh and ILP Miri (48 each), Paka (47), Kimanis (46), Indera Mahkota in Kuantan (44), Kemaman (43), Kuala Terengganu and Kota Kinabalu (41 each), Tanjung Malim (40), Kuala Selangor (37), Sungai Petani and Seberang Jaya (34 each), Minden (29), Kota Bharu (27), Kangar and Tanah Merah (26 each), Kulim Hi-Tech, Taiping, and Besut (24 each), Alor Setar (22), Jerantut (18), Langkawi (13), and Balik Pulau (11).
• Standard API Categories: According to APIMS criteria, API values from 0 to 50 represent good air quality, 51 to 100 moderate, 101 to 200 unhealthy, 201 to 300 very unhealthy, and 301 and above hazardous.

–NMT