BANGKOK, THAILAND – Thai environmental authorities tightened controls on open burning as seasonal smog and fine dust pollution intensified again.
Expanded monitoring in fields and forests
The Pollution Control Department (PCD) ordered intensive surveillance of open fires following a rise in hotspots on agricultural land and in forest areas, according to director-general Surin Worakitthamrong. Local authorities in numerous provinces issued formal notices and were instructed to strictly enforce existing bans. At the same time, designated burning zones were identified where work was permitted only under strict conditions.
Incense stick tactic in sugarcane fields
A recent case in Buri Ram province drew particular attention, where inspectors found bundles of slowly burning incense sticks being used to ignite leftover sugarcane residues. This method allowed the arsonists to leave the area long before the flames spread, which authorities viewed as an attempt to evade identification and prosecution. Officials described the incident as an example of deliberate efforts to circumvent rules on open burning.
Multiple sources of fine dust targeted
In addition to open burning in agriculture and forests, the authorities also targeted other sources of fine particulate matter. They specifically named vehicle emissions as well as construction sites and building works as contributing factors. The combined measures were intended to reduce the impact of fine dust (PM) on the population.
Severe penalties and economic fallout
Burning in forest, agricultural and open areas was punishable under current law and could result in fines, prison sentences or a combination of both. The PCD stressed that these legal instruments would be applied nationwide. According to the agency, rising dust and smog levels had already produced economic and social consequences, affecting businesses, transport and everyday life through visibility problems and health risks.
Health risks at the centre of concern
The department issued explicit warnings about the health effects of persistent air pollution, noting that several organ systems were affected, particularly the respiratory tract and lungs as well as the cardiovascular system, eyes and skin. Long-term exposure could increase the risk of lung cancer, the agency said, adding that the health dimension should “not be overlooked.”
Call for public cooperation
Director-general Surin Worakitthamrong appealed to the public for active cooperation, urging people to completely refrain from any form of burning in prohibited areas.
“The cooperation of the public is crucial to reduce the burden of fine dust and to protect health.”
said Surin, director-general of the Pollution Control Department.