Statement:
Australia is less polluted than South Africa

In the Most Polluted Countries rating Australia holds position #99 ²⁰²¹ out of 112 and South Africa is #37 out of 112 ²⁰²¹.
Position of Australia is better than position of South Africa.

Referencies:

1. Most Polluted Countries ²⁰²¹ by IQAir

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

   Australia	'Pollution Index' value is	5.7
   South Africa	'Pollution Index' value is	22.7