Statement:
Uzbekistan is more polluted than Kazakhstan

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

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