Thailand’s standard for safe levels of PM2.5 (particles less than 2.5 micrometres in diameter) is 50μg/m3 or below.
The 19 provinces are: Bangkok, Pathum Thani, Nonthaburi, Nakhon Pathom, Samut Sakhon, Samut Prakan, Chiang Rai, Chiang Mai, Lampang, Phitsanulok, Tak, Ayutthaya, Kanchanaburi, Prachin Buri, Sa Kaeo, Chachoengsao, Ratchaburi, Rayong and Trat.
PM2.5 readings as of Friday morning:
North: 28 to 79 μg/m3.
Northeast: 16 to 38 μg/m3.
Central region and West: 34 to 66 μg/m3.
East: 37 to 59 μg/m3.
South: 10 to 25 μg/m3.
Bangkok and its vicinity: 43 to 78 μg/m3.
People in areas where PM2.5 pollution is bad, especially the elderly, children, and patients with respiratory diseases, have been advised to monitor their health and reduce time spent on outdoor activities.
The Geo-Informatics and Space Technology Development Agency said on Thursday that the Suomi NPP satellite had found 1,035 hotspots in Thailand's North, Central, Northeast and East, especially in forest conservation and agricultural areas.
The agency suspected that it was due to fuel management and farm clearing, adding that hotspots were found also in Cambodia and Myanmar.
Published : February 05, 2021
By : The Nation