CLEAN : Pollution levels plummet in New Delhi during virus lockdown

The video discusses the significant reduction in air pollution levels during a recent period, highlighting that PM 2.5 levels, which can reach up to 1000, dropped to as low as seven. This change is attributed to the halt in human economic activities during a lockdown, which led to improved air quality. The video emphasizes that air pollution is a human-created problem and suggests that the current situation offers valuable insights into what it takes to clean the air. It also notes that returning to normal routines will take time, providing a learning opportunity for future environmental strategies.

What is the highest level of PM 2.5 mentioned in the video?

• 7

• 1000

• 809

• 700

What is the main cause of air pollution according to the video?

• Natural disasters

• Human economic activities

• Animal activities

• Weather changes

Which of the following is NOT running during the lockdown period mentioned?

• Online services

• Public transport

• Heavy manufacturing

• Essential services

What does the video suggest about the time it will take to return to normal routines?

• One year

• Six months

• Three months

• One month

What is a key takeaway from the reduction in pollution levels?

• Human actions can significantly reduce pollution

• Pollution levels are constant

• Economic activities have no impact on pollution

• Pollution is a natural phenomenon