Delhi smog: People commute through despite dense smog in New Delhi. (PTI Photo) Delhi smog: People commute through despite dense smog in New Delhi. While stubble burning was responsible for 25 per cent of the pollution, “local sources” also played a role. “Stubble burning in Punjab, Uttar Pradesh and Haryana… was very high on November 6 and upper-air winds became North Westerly (towards Delhi) with high speed and started pumping pollution in Delhi,” it adds. Delhi smog: Lack of wind in northern India, which usually helps disperse air pollution, has worsened the problem, according to NASA (Source: NASA Earth Observatory) Delhi smog: Lack of wind in northern India, which usually helps disperse air pollution, has worsened the problem, according to NASA (Source: NASA Earth Observatory)For all the latest India News, download Indian Express App

Source: Indian Express November 16, 2017 23:14 UTC