Statement:
The USA is less polluted than Oman

In the Most Polluted Countries rating The USA holds position #81 ²⁰²¹ out of 112 and Oman is #6 out of 112 ²⁰²¹.
Position of The USA is better than position of Oman.

Referencies:

1. Most Polluted Countries ²⁰²¹ by IQAir

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

   Oman	'Pollution Index' value is	53.9
   The USA	'Pollution Index' value is	10.3