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Serian records very unhealthy air as nine Sarawak zones see pollution spike

Air quality deteriorated across multiple locations in Sarawak on Wednesday afternoon, with Serian recording dangerously high pollution levels while nine other areas slipped into unhealthy territory.

LSN Malaysia · 21 August 2026

The Air Pollution Index at Serian monitoring station reached 227 on Wednesday afternoon, placing it in the 'very unhealthy' category and posing significant health risks to residents in the area. According to afternoon readings, nine other locations across Sarawak registered unhealthy air quality levels, signalling a broader deterioration in regional air conditions.

The spike in pollution across multiple zones suggests widespread atmospheric conditions contributing to the accumulation of pollutants. Serian's exceptionally high reading warrants particular concern, as air quality at that level can cause respiratory discomfort and other health complications among vulnerable populations, including children, elderly persons, and those with pre-existing respiratory conditions.

Health authorities typically recommend that residents in affected areas limit outdoor activities and use appropriate respiratory protection when venturing outside during periods of very unhealthy air quality. The readings underscore ongoing air quality management challenges in the state, particularly during seasons when atmospheric conditions favour pollutant accumulation.

Regional environmental agencies continue to monitor air quality developments across Sarawak, with forecasts expected to provide guidance on anticipated conditions in coming days.