Bangkok: The Pollution Control Department has intensified its monitoring of PM2.5 dust levels from December 6-13, as the air quality in several regions is at risk of surpassing standards. Strict measures are being enforced to regulate sugarcane fires and operations at biomass factories to mitigate the smog threat.
According to Thai News Agency, the Director-General of the Pollution Control Department, Mr. Surin Worakithamrong, stated that the department, through the Pollution Control Communication Center (PCC), is actively observing the PM2.5 dust situation. This period marks the dust season, with increasing levels particularly noted in Bangkok and its surrounding areas, as well as in the Northeast and East regions.
The 7-day forecast from December 7-13, 2025, by the National Disaster Risk Committee (NDRC), highlights that Bangkok and its vicinity are experiencing a rise in PM2.5 dust levels, necessitating monitoring in certain areas. The Northeastern and Eastern regions are also witnessing a continuous upward trend. Conversely, the Northern region shows a decreasing trend from December 9-10, although some areas remain at risk. The air quality in the southern region continues to be satisfactory.
As per measurements taken on December 6, 2025, at 7:00 a.m., the air quality nationwide largely remains within standard limits. However, certain areas in the northern region, particularly Chiang Mai and Sukhothai provinces, report PM2.5 levels exceeding the standard, with the highest recorded at 58.2 micrograms per cubic meter.
To address the haze and dust issues anticipated from the end of this year to early next year, the Pollution Control Department (PCD) has expedited pollution control measures, especially targeting emissions from sugarcane mills and biomass power plants. These measures include limiting burnt sugarcane intake to no more than 15% of the total and promoting the use of sugarcane leaves as biomass fuel in proportions of 10-30%. Furthermore, the department is ensuring the readiness of air pollution treatment systems and controlling contaminated rainwater in sugarcane bagasse and ash piles. Compliance with Environmental Impact Assessment (EIA) report measures is being strictly enforced, with additional initiatives such as the installation of a Real Time Smoke Pollution Monitoring System (CEMs) and encouragement of CSR activities by factories in collaboration with local communities.
The PCD aims to complete inspections and provide recommendations for 59 sugar factories and biomass power plants across the nation by mid-December to safeguard public health during the smog season.