Statement:
Vietnam is less polluted than Serbia

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

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