"clean rooms"

SINCE THE air in entire villages or towns cannot be purified in the face of the raging smog crisis in the North, safety zones have been proposed as a way of protecting the most vulnerable people.

With the North still shrouded in haze crisis, the price of air purifiers has risen due to high demand, and an academic has appealed to Bangkok people to donate their spare units.

Chiang Mai, strangling in haze, continues to plea urgently for donations of N95-grade facemasks for 500,000 citizens as well as air-purifiers to establish “clean rooms” at 230 hospitals.