Research by Mahidol University has found ventilation systems in the smoking rooms at four Thai airports do not work properly, putting passengers at risk of inhaling second-hand smoke.
The research, conducted by the university's Public Health Faculty, tested the air quality at Suvarnabhumi, Don Mueang, Phuket and Chiang Mai international airports in November. Its results were released yesterday.
Nipapun Kungskulniti, an academic with the faculty, said air samples taken from the airports' smoking rooms contained four times more cigarette smoke than the average for airports in the United States.
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