The analysis also shows that north Delhi recorded the worst pollution levels in the city this winter, with Jahagirpuri emerging as the hot spot with the worst air.
There were two continuous smog episodes during this year’s winter. The first episode was of longer duration as it started on November 3 and lasted seven days. The second started on December 22 and lasted three days.
The seasonal average pollution levels in Delhi this winter was higher than previous years, but the severity and smog episodes this year was lower, an analysis by the Centre for Science and Environment (CSE) has shown.