Statement:
South Africa is less polluted than Mongolia

In the Most Polluted Countries rating South Africa holds position #37 ²⁰²¹ out of 112 and Mongolia is #20 out of 112 ²⁰²¹.
Position of South Africa is better than position of Mongolia.

Referencies:

1. Most Polluted Countries ²⁰²¹ by IQAir

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

   Mongolia	'Pollution Index' value is	33.1
   South Africa	'Pollution Index' value is	22.7