The 24-hour average level of PM2.5 during Diwali and the morning after (12 pm – 12 am), October 19-20) was 397 microgrammes per cubic metre (mg / cu m) even after carcker ban. This is 6.6 times higher than the standards and more than two times higher than the levels of pre-Diwali day when the 24-hour average was 184 microgramme per cu m.
Source: Today Deals