"unhealthy"

Bangkok and the surrounding provinces remained blanketed with dust on Tuesday morning, with a red zone reported in Saraburi province, north of Bangkok, according to the Pollution Control Department’s Thailand’s air quality and situation update. 

MORE AND more Chiang Mai residents are suffering from health problems after a decade of inhaling particulates, a local medical expert warned recently.

Chiang Mai named world’s most polluted city for two days running

Air pollution blankets capital for third day in a row, with prospects of prolonged unhealthy air quality levels

RESIDENTS OF Bangkok and vicinity continued to inhale unhealthy levels of air pollution yesterday, the fourth consecutive day the area was shrouded in a smog of airborne particulates.