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Air quality deteriorates across Malaysia as smoke pollution spreads

Hazardous smoke levels have been detected at 25 monitoring stations nationwide, with Johor and Negeri Sembilan experiencing the most severe air pollution. Pasir Gudang, Larkin and Nilai have been identified as particular hotspots of concern.

LSN Malaysia · 17 October 2026

Air quality deteriorates across Malaysia as smoke pollution spreads

Air quality has continued to deteriorate across multiple regions in Malaysia, with the Department of Environment recording unhealthy pollution levels at 25 locations throughout the country. The southern and central regions have borne the brunt of the pollution episode, with Johor and Negeri Sembilan emerging as the most affected states.

Pasir Gudang, Larkin and Nilai have been flagged as areas experiencing persistent poor air quality, raising concerns among residents and local authorities. The elevated smoke pollution levels suggest transboundary haze influences or localized emission sources contributing to the degradation.

The spread of pollution across such a wide geographic area indicates a developing air quality crisis that may require coordinated regional response efforts. Authorities have been monitoring the situation closely, and residents in affected areas have been advised to take necessary precautions to protect their health.

The persistence of hazardous air conditions underscores the ongoing challenges Malaysia faces in managing air pollution during vulnerable seasons. Continuous monitoring and prompt mitigation measures remain critical to protecting public health across the nation.