Hazardous smog in North, againDangerously thick smog blanketed the upper northern provinces of Chiang Mai, Chiang Rai and Mae Hong Son, the Pollution Control Department reported on Thursday. In Chiang Mai, PM2.5 rose to 101mcg in tambon Chiang Phuak of Muang district, 100mcg in tambon Sri Phum of Muang district, and 241mcg in tambon Muang Khong of Chiang Dao district. In Mae Hong Son, the PM2.5 level reached 121mcg in tambon Chong Kham of Muang district. In the North, air quality was deemed good in Muang district of Uthai Thani (32mcg), Wichian Buri district of Phetchabun (36mcg) and Muang district of Nakhon Sawan (37mcg). PM2.5 levels ranged from 44-48mcg in Kamphaeng Phet, Phichit, Phitsanulok and Uttaradit provinces.

Source: Bangkok Post April 09, 2020 04:30 UTC