LSN News › Malaysia

World · Malaysia Bureau

36 Malaysian areas hit unhealthy air quality levels this evening

Air pollution levels have deteriorated across Malaysia this evening, with 36 locations recording unhealthy Air Pollutant Index readings. Selangor has been particularly affected, with Johan Setia posting the highest reading of 176.

LSN Malaysia · 29 September 2026

36 Malaysian areas hit unhealthy air quality levels this evening

Air quality has deteriorated significantly across Malaysia this evening, with 36 areas registering unhealthy Air Pollutant Index (API) levels. The situation has been most acute in Selangor, where multiple locations have breached health thresholds. Johan Setia in Selangor recorded the highest API reading at 176, classified as unhealthy. This was followed by Shah Alam with 170, Klang with 164, Banting with 163, and both Petaling Jaya and Kuala Selangor recording 160 respectively. All readings fall within the unhealthy range, which typically begins at 151 on the API scale. API readings in the unhealthy bracket are associated with respiratory and cardiovascular effects that may be experienced by members of the general public, according to Malaysian air quality standards. The broad spread of affected areas suggests a regional air quality episode impacting the Klang Valley and surrounding regions. Residents in these areas have been advised to monitor air quality updates and take appropriate precautions, particularly those with respiratory conditions or cardiovascular concerns.