Air pollution in Delhi touched alarming levels, set to get worse after Diwali

Data taken from six places in the Capital between October 22 and November 2 show air pollution is hovering at frightening levels even before Diwali on November 13.Carbon monoxide presence was between 1.2 mg/m3 and 2.5 mg/m3 on Diwali last year, and between 0.87 mg/m3 and 9.75 mg/m3 in 2010.
The Centre for Science and Environment(CSE) says the levels of air pollution have already gone back to the pre-CNG days.