Statement:
The USA is less polluted than Singapore

In the Most Polluted Countries rating The USA holds position #81 ²⁰²¹ out of 112 and Singapore is #66 out of 112 ²⁰²¹.
Position of The USA is better than position of Singapore.

Referencies:

1. Most Polluted Countries ²⁰²¹ by IQAir

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

   Singapore	'Pollution Index' value is	13.8
   The USA	'Pollution Index' value is	10.3