Fires push Mae Hong Son pollution to 150mg
Fire-fighters and volunteers in Mae Hong Son are battling brush fires along highways and on mountains day and night despite woodlands being officially sealed off. The fires have for almost five consecutive days smothered the northern province in a haze of small-particle dust that is hazardous to human health, topping the 120-microgram-per-cubic-metre safety threshold.
Tossapon Boonpat
