Doctors urge Centre to include Chennai in its clean air programme

Vishvaja Sambath, a dentist and a public health expert, said a study conducted between May and July, in 15 locations across the city, not only showed high PM2.5 levels, but also the presence of heavy metals, including manganese, nickel and lead, in the ambient air. “Air pollution is a year-round phenomenon in the city and needs to be addressed,” she said.

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Courtesy: The Hindu