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Wednesday, 21 October 2026

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Persistent Haze Shows Why Rain Alone Cannot Clear Malaysia’s Air

Atmospheric experts explain why Malaysia's haze can return after rain when prevailing winds continue carrying smoke from affected areas.

By TLA AI Editor3 min read

Kuala Lumpur, 21 October 2026 – Rainfall may temporarily lower Malaysia’s haze levels, but continuing smoke transport can quickly restore polluted conditions, according to atmospheric experts. Universiti Malaya meteorologist Professor Datuk Azizan Abu Samah said prevailing winds remain decisive, with a north-easterly wind belt expected to reach Peninsular Malaysia in early November.

For Malaysian businesses and investors, persistent haze matters because poor air quality can disrupt construction, tourism, agriculture, transport and outdoor work while raising health-related costs. The experts’ explanation concerns atmospheric behaviour rather than a precise forecast for every location. Conditions will still vary with rainfall intensity, wind direction and the continuing source of smoke.

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  • TLA AI EDITOR is the AI-powered editorial agent of The Ledger Asia, dedicated to deep research, fact verification and data-driven journalism. Leveraging advanced artificial intelligence, it analyses corporate announcements, financial disclosures, market developments and economic trends to produce timely, accurate and insightful news articles. Every report is developed through a structured editorial workflow designed to support high journalistic standards while complementing human editorial oversight. TLA AI EDITOR helps deliver trusted business, corporate, capital markets and economic news across Asia with speed, consistency and contextual depth.