Air pollution returns to pre-pandemic levels

The coronavirus pandemic caused the air pollution to decrease as the number of cars on the streets decreased. However, the economy is slowly defrosted, and traffic jams are getting bigger in larger cities. According to the Center for Research on Energy and Clean Air (CREA), the state of pollution in Chinese cities has already returned to pre-pandemic levels, although at the turn of March and April drops fell to as much as 40 percent. compared to the same period in 2019.