The southernmost district town of Betong in Yala province is covered in smoke haze, which usually comes from Indonesia at this time of the year officials said.
The PM10 level, particles with a diameter of 10 micrometres or less, in Betong on Monday morning was measured at 54 microgrammes per cubic metre (µg/m3), which was not yet hazardous to health officials said. Visibility was normal but motorists were advised to be cautious.
