Statement:
Vietnam is more polluted than Bulgaria

In the Most Polluted Countries rating Vietnam holds position #34 2021 out of 112 and Bulgaria is #54 out of 112 2021.
Position of Vietnam is worse than position of Bulgaria.

Referencies:

  1. Most Polluted Countries 2021 by IQAir
    The countries in the rating sorted by 'Pollution Index' in descending order.
    Bulgaria 'Pollution Index' value is 16.3
    Vietnam 'Pollution Index' value is 24.7