Statement:
Kazakhstan is less polluted than Uzbekistan

In the Most Polluted Countries rating Kazakhstan holds position #23 ²⁰²¹ out of 112 and Uzbekistan is #12 out of 112 ²⁰²¹.
Position of Kazakhstan is better than position of Uzbekistan.

Referencies:

1. Most Polluted Countries ²⁰²¹ by IQAir

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

   Kazakhstan	'Pollution Index' value is	31.1
   Uzbekistan	'Pollution Index' value is	42.8