Statement:
Puerto Rico is less polluted than Portugal

In the Most Polluted Countries rating Puerto Rico holds position #102 2021 out of 112 and Portugal is #94 out of 112 2021.
Position of Puerto Rico is better than position of Portugal.

Referencies:

  1. Most Polluted Countries 2021 by IQAir
    The countries in the rating sorted by 'Pollution Index' in descending order.
    Portugal 'Pollution Index' value is 7.1
    Puerto Rico 'Pollution Index' value is 4.8