Air Pollution In Delhi NCR

NEW DELHI, INDIA - OCTOBER 20: A view of metro train in amid haze, at Mayur Vihar area in morning on October 20, 2021 in New Delhi, India. Air pollution levels rebounded sharply into the poor zone on Wednesday after unseasonal rains and strong winds led to a rare good Air Quality Index (AQI) day for this time of the year earlier this week, a turn for the worse that experts fear will only deteriorate in coming days. (Photo by Amal KS/Hindustan Times via Getty Images)