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Six Sarawak towns breach hazardous pollution levels as API soars

Air quality in multiple Sarawak locations has deteriorated to very unhealthy levels, with Serian recording the worst readings. Six areas across the state have reported Air Pollutant Index figures exceeding 200, triggering health concerns.

LSN Malaysia · 5 September 2026

Air pollution has reached hazardous levels across six locations in Sarawak, with the town of Serian emerging as the worst-affected area, according to latest Air Pollutant Index (API) readings released Wednesday. The API measurements, which classify air quality on a scale ranging from good to hazardous, indicate very unhealthy conditions in multiple districts throughout the state. Readings exceeding 200 on the API scale are categorized as very unhealthy and pose significant health risks to the general population, particularly vulnerable groups including children, the elderly, and those with respiratory or cardiovascular conditions.

The deterioration in air quality has prompted health authorities to advise residents in affected areas to limit outdoor activities and take necessary precautions. Citizens are being urged to wear N95 masks when venturing outside and to monitor official air quality updates regularly. Schools and workplaces in severely affected zones may face disruptions depending on pollution levels in coming days.

The spike in API readings is typically associated with seasonal factors including weather patterns and transboundary pollution sources. Environmental officials have not released detailed assessments regarding the primary causes of the current pollution episode. Residents and businesses across Sarawak are advised to stay updated with official air quality bulletins issued by relevant state and federal authorities.