The Bangkok Air Quality Information Center reports an increase in the level of air pollution with PM 2.5 particles in 30 areas of Bangkok.
The highest concentration of PM 2.5 (54.1 µg/m³) was recorded at the intersection of Nong Khaem - Ma Charoen Road near Phet Kasem 81.
It is expected that the hazardous level of fine dust will persist in the capital until Tuesday.