Delhi records cleanest Diwali in 3yrs after cracker sale ban
After the Supreme Court banned the sale of firecrackers in Delhi and NCR till November 1, the city witnessed its cleanest Diwali on Thursday in three years, according to Central Pollution Control Board data. While the Air Quality Index on Diwali this year was "very poor" at 319 ug/m3, it was 431 ug/m3 in 2016 and 343 ug/m3 in 2015. 