Updated Mar 04, 2021 | 09:37 IST
Most improvement was noted at NSIT Dwarka, Wazirpur and Shadipur, the CSE said, adding that the maximum increase was noted at Patparganj, Vivek Vihar and R K Puram (all residential areas). Delhi NCR pollution today
New Delhi: Seasonal average of winter pollution in Delhi-NCR in 2020-2021 was higher than in the previous year but the severity and duration of smog episodes was lower, a new analysis by environment think tank Centre for Science and Environment (CSE) said on Wednesday.
For the purposes of implementation of the Graded Response Action Plan (GRAP), winter in the region is officially demarcated as the period from October 15 to February 1, the CSE said.
Winter pollution shows rise in most Indian cities, says CSE
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Smaller and upcoming cities emerging as pollution hotspots, says report.
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Heavy smog and air pollution near Ambattur Industrial Estate in Chennai in Tamil Nadu.
| Photo Credit: Vedhan M
Smaller and upcoming cities emerging as pollution hotspots, says report.
The levels of PM 2.5, the most threatening of particulate matter, worsened in 43 out of 99 cities whose winter air in two years, 2020 and 2019, was compared by the Centre for Science and Environment (CSE). Only 19 registered “substantial improvement” and one of these was Chennai. The restof the cities did not experience significant change.