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Sarawak's Serian district faces severe haze as pollution index nears emergency threshold

Air quality in Serian has deteriorated significantly, with the Air Pollutant Index reaching 495 early this week—just below the emergency classification level. Residents in the Sarawak district are urged to take precautions as haze conditions persist in the region.

LSN Malaysia · 4 September 2026

KUCHING: Haze conditions in Serian have escalated sharply, pushing the Air Pollutant Index (API) to 495 in overnight readings earlier this week. The reading falls just short of the "emergency" classification, which is triggered at 500 and above on the API scale.

The deterioration in air quality has raised concerns among residents and health authorities in the district. An API reading in this range is classified as "hazardous," posing significant health risks to vulnerable populations including children, the elderly, and those with respiratory conditions.

Authorities have advised residents to minimise outdoor activities and wear protective masks when venturing outside. The public is also urged to monitor air quality updates regularly and seek medical attention if experiencing respiratory difficulties.

Serian is among several districts across Sarawak to experience worsening haze conditions. Meteorological forecasts indicate that air quality improvements may depend on wind patterns and weather changes in the coming days. Residents are advised to remain vigilant and follow guidelines issued by local health and environmental agencies as the situation develops.