DNA: Who is responsible for pollution due to firecrackers in Delhi?

Despite the ban on firecrackers, firecrackers were burnt across Delhi NCR on Diwali. This was the first Diwali after the Corona epidemic, in which people celebrated Diwali without fear. Due to pollution in Delhi NCR, there was a ban on firecrackers. Firecrackers have been blamed for the sudden surge in AQI after Diwali. In this, Delhi government is blaming UP and Haryana for the increased AQI.