Wind brings down pollution levels in Delhi

Pollution levels in Delhi and neighbouring cities dropped marginally on Saturday with a slight increase in the wind speed, a day after the region recorded its worst air quality forcing authorities to shut schools, ban all construction activities and declare a public health emergency.

from Times of India https://timesofindia.indiatimes.com/city/delhi/wind-brings-down-pollution-levels-in-delhi-still-in-severe-category/articleshow/71862974.cms