‘Kolkata, Mumbai worst polluted after Delhi last winter’

After Delhi, Kolkata and Mumbai were the most polluted this past winter while Bengaluru and Chennai saw the fastest worsening of hazardous pollutant levels, said CSE. The report says that Delhi, with a winter average PM2.5 level of 151 g/m³, remains the most polluted mega city by a large margin.

from Times of India https://ift.tt/UXW9Dwc