Statement:
Portugal is less polluted than Bulgaria

In the Most Polluted Countries rating Portugal holds position #94 2021 out of 112 and Bulgaria is #54 out of 112 2021.
Position of Portugal is better 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
    Portugal 'Pollution Index' value is 7.1