Air pollution in the North will ease from Friday to Monday due to rain, while over 2.4 million people in Thailand have been diagnosed with health problems associated with smog, according to the Public Health Ministry.
Dr Opas Karnkawinpong, the public health permanent secretary, on Wednesday said PM2.5 levels recorded in the North ranged between 48 and 234 microgrammes per cubic metre (µg/m³).
