Chiang Mai, 29 March – Today, the smog has returned to flood Chiang Mai again. The highest hourly toxic dust value in Chiang Dao district exceeded 900 mcg/m3 after more than 300 burns were found, causing the authorities to mobilize aircraft to extinguish forest fires in the north of Chiang Mai. ready to distribute 100,000 N95 masks to reduce the impact on villagers.-Thai News Agency

Source: Thai News Agency