Statement:
Serbia is more polluted than Vietnam

In the Most Polluted Countries rating Serbia holds position #32 2021 out of 112 and Vietnam is #34 out of 112 2021.
Position of Serbia is worse than position of Vietnam.

Referencies:

  1. Most Polluted Countries 2021 by IQAir
    The countries in the rating sorted by 'Pollution Index' in descending order.
    Serbia 'Pollution Index' value is 25.5
    Vietnam 'Pollution Index' value is 24.7