Protest proving a boon for environment

The Bangkok shutdown campaign has already made an environmental impact _ a sharp decrease in hazardous fine dust particles in the air due to fewer cars on the usually congested roads.

Levels of PM 10, particulate matter with a diameter of 10 microns or less, have fallen by about half in the Lat Phrao, Chatuchak, Pathumwan and Yannawa areas, according to the Pollution Control Department which inspected air quality between Jan 7 and Tuesday.

The dust, about one seventh the width of a human hair, can cause breathing disorders and damage lung tissue.

Other areas experienced similar results.

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