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Sarawak's Serian district chokes under severe air pollution haze

Serian in Sarawak has recorded the worst air quality across the state, with an Air Pollutant Index reading of 213 indicating hazardous conditions. The spike in pollution levels has raised concern among residents and health officials across the region.

LSN Malaysia · 9 September 2026

Serian district in Sarawak is experiencing severe air pollution, with the Air Pollutant Index (API) reaching 213 on September 9, marking the highest pollution level recorded in the state. The reading falls within the 'very unhealthy' category, which poses significant health risks to the local population, particularly affecting vulnerable groups including children, the elderly, and individuals with respiratory conditions.

The deterioration in air quality has been attributed to regional haze conditions affecting South and Southeast Asia. Serian's geographical location and atmospheric conditions have rendered it especially susceptible to transboundary pollution sources, though local factors may also be contributing to the elevated readings.

Health authorities have advised residents to limit outdoor activities and wear protective masks when venturing outside. Schools and workplaces have been monitoring the situation closely, with some institutions taking precautionary measures to protect staff and students from prolonged exposure to pollutants.

The Malaysian Department of Environment continues to monitor air quality across Sarawak and other affected regions. Residents are urged to keep informed of real-time API readings and follow official health advisories as conditions may fluctuate. The situation underscores ongoing concerns about regional air quality and the transboundary nature of environmental challenges across Southeast Asia.