IT may look clear outside, with no smoky smell, but that does not necessarily mean that the air does not contain harmful pollutants, warns Dr Erik Velasco, research scientist from the Singapore-MIT (Massachusetts Institute of Technology) Alliance for Research and Technology, underlining the importance of an accurate reading of the haze.
As he had told The Straits Times, “Don’t just trust your eyes and nose because they are not what detect harmful substances in the air.”
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