With fine-particle dust exceeding the standard level, Chiang Rai International Airport yesterday turned on its runway lights to help pilots land safely.
Meanwhile, Chiang Rai Health Office provided volunteers and emergency medical-service vehicles to urgently take care of people affected by the dust and smog.
Lampang Governor Supakit Boonyarittipong yesterday ordered authorities in all 13 districts of the province to work hard to ease the smog situation.

