BANGKOK (The Nation/Asia News Network): The quality of air in 43 areas in Greater Bangkok hit unsafe levels on Friday (Jan 27) morning, reports from the Bangkok Metropolitan Administration (BMA) show.
The readings of PM2.5 (particles of dust less than 2.5 micrometres in diameter) were in the range of 36-74 micrograms per cubic metre of air (μg/m3). Thailand’s standard for safe levels of PM2.5 is 50μg/m3 or lower, while the World Health Organisation puts it at 12μg/m3 or lower.
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