Chiang Mai, Lamphun, and Phayao in northern Thailand have been declared emergency disaster zones due to extreme air pollution. This move unlocks emergency funds for urgent relief efforts as air quality remains at dangerously high levels. The announcement came from Unsit Sampuntharat, the permanent secretary of the Ministry of Interior, emphasizing immediate response to the crisis affecting 17 provinces.
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Persistent wildfires, haze, and fine dust have placed Chiang Mai as the world’s most polluted city for five days, according to iQAir. The city's air quality index (AQI) was recorded at 206, categorizing it as "very unhealthy." Although slightly improved from earlier readings, PM2.5 levels remain far above the safe threshold of 37.5 microgrammes per cubic meter. This declaration allows governors to use funds from the Ministry of Finance’s disaster relief budgets for needed interventions.
The pollution is largely attributed to seasonal agricultural burning, forest fires, and smoke from neighboring countries. Health officials are advising residents to remain indoors, wear N95 masks outside, and seek medical advice for respiratory issues. The emergency designation aims to mitigate damage to life and property while providing necessary support.
Looking forward, authorities will focus on deploying resources to manage the health crisis and addressing the underlying causes of the pollution. Continuous monitoring and preventive measures will be essential as the haze season progresses. Efforts are underway to coordinate with neighboring regions to control cross-border pollution sources.
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Adapted by ASEAN Now · The Thaiger · 06 Apr 2026
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