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Eleven Malaysian areas hit by hazardous air quality as regional haze threat grows

Air quality in Serian and ten other locations has deteriorated to unhealthy levels as the Asean haze monitoring centre warns of increased transboundary smoke risk. Regional hotspot activity is escalating across Southeast Asia.

LSN Malaysia · 22 August 2026

Eleven Malaysian areas hit by hazardous air quality as regional haze threat grows

Eleven areas across Malaysia are experiencing hazardous air quality conditions, with Serian among the most severely affected zones. The deteriorating air quality reflects broader environmental concerns affecting the wider Southeast Asian region.

The Asean Specialised Meteorological Centre has issued warnings regarding an elevated probability of transboundary haze spreading across the region. The alert follows a notable increase in hotspot activity and smoke haze formation in surrounding areas, indicating conditions conducive to cross-border air pollution.

Transboundary haze episodes pose significant health and environmental challenges for Malaysia and neighbouring countries. Residents in affected areas are typically advised to monitor air quality indices and take appropriate precautions during periods of poor air quality.

The monitoring centre's assessment suggests that current environmental conditions warrant heightened vigilance across the region. Authorities continue to track atmospheric conditions and hotspot development to provide timely updates to the public and relevant agencies managing air quality responses.