Sixty-seven out of 77 provinces in Thailand were shrouded with unsafe levels of ultrafine dust on Thursday morning, according to the Geo-Informatics and Space Technology Development Agency.

Bangkok and 64 Thai provinces face unsafe PM2.5 pollution levels; 28 are hazardous. Only 13 provinces have maintained safe ...

Unsafe levels of toxic ultrafine dust were detected in 58 out of 77 provinces in Thailand, with the worst air pollution detected in the Central Plain on Sunday morning.The Geo-Informatics and Space ...