Statement:
Puerto Rico is less polluted than Switzerland

In the Most Polluted Countries rating Puerto Rico holds position #102 ²⁰²¹ out of 112 and Switzerland is #78 out of 112 ²⁰²¹.
Position of Puerto Rico is better than position of Switzerland.

Referencies:

1. Most Polluted Countries ²⁰²¹ by IQAir

   The countries in the rating sorted by 'Pollution Index' in descending order.

   Puerto Rico	'Pollution Index' value is	4.8
   Switzerland	'Pollution Index' value is	10.8