Gopal Rai said, "The stubble burning in Punjab this year is halved as compared to the last year. Punjab's stubble smoke does not have as much impact on Delhi as that of Haryana and Uttar Pradesh."
In the latest live ranking, Delhi is at the top followed by Lahore and Bishkek, and at number 4 is ranked Mumbai, other than Delhi and Mumbai, Kolkata has also made it to the top 10 ranking at number 9.
Kejriwal said that biomass burning is responsible for one-fifth of the state's pollution, which rises considerably during the cold months when security guards and drivers burn wood and other biomass, leading the city to become a gas chamber due to temperature anomaly.