Statement:
Portugal is less polluted than The USA

In the Most Polluted Countries rating Portugal holds position #94 2021 out of 112 and The USA is #81 out of 112 2021.
Position of Portugal is better than position of The USA.

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
    The USA 'Pollution Index' value is 10.3