Unsafe levels of PM2.5 dust covered Bangkok and 23 provinces, mostly in the Central Plains, on Monday morning.
The Geo-Informatics and Space Technology Development Agency (Gistda) reported at 6am that unsafe levels of PM2.5 ranged from 37.6 to 50.6 microgrammes per cubic metre (µg/m³) of air in Bangkok and 23 provinces. The government-set safe threshold for PM2.5 is 37.5µg/m³.
