Delhi air pollution started increasing after lock down??

Air pollution levels in the nation's capital Delhi are always high.  The capital city is always exposed to pollution due to industries, automobile fumes and other construction related activities.  The winter situation is no more.  Obviously, objects can be seen from a distance of 100 meters, except for a dense fog at 8 and 9 am.  Motorists are having a hard time finding the roads in November and December.

 Air pollution in Delhi dropped significantly between March 22 and May 18 due to the lockdown.  Air pollution levels in Delhi have declined by 79 per cent, the Center for Science and Environment (CSE) said today.

The closure of industries, vehicle traffic, and construction halt are the reasons for the reduction in pollution, CSE said.

 However, pollution levels have risen again in Delhi and some other major cities, with further deregulation of vehicle traffic and construction on Lockdown after May 18.  The Center for Science and Environment (CSE) has studied PM 2.5 (air pollutant) levels in six premier cities in the country such as Delhi, Mumbai, Kolkata, Chennai, Hyderabad and Bengaluru.  The PM 2.5 levels in Delhi rose by 4 to 8 times, while in other cities it rose by 2 to 6.

 According to the results of the CSE, Delhi's first level of PM 2.5, which was down to 97 per cent on May 18, has been increased by 4 to 8 times after multiple relaxations.  In other cities, the PM 2.5 level was reduced from 45 to 88 percent of the lockdown.  After the relaxation on May 18, it increased 2 to 6 times.