Statement:
South Korea is less polluted than Nigeria

In the Most Polluted Countries rating South Korea holds position #48 ²⁰²¹ out of 112 and Nigeria is #18 out of 112 ²⁰²¹.
Position of South Korea is better than position of Nigeria.

Referencies:

1. Most Polluted Countries ²⁰²¹ by IQAir

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

   Nigeria	'Pollution Index' value is	34.0
   South Korea	'Pollution Index' value is	19.1