Statement:
Costa Rica is less polluted than Sri Lanka

In the Most Polluted Countries rating Costa Rica holds position #90 2021 out of 112 and Sri Lanka is #53 out of 112 2021.
Position of Costa Rica is better than position of Sri Lanka.

Referencies:

  1. Most Polluted Countries 2021 by IQAir
    The countries in the rating sorted by 'Pollution Index' in descending order.
    Costa Rica 'Pollution Index' value is 7.8
    Sri Lanka 'Pollution Index' value is 17.4