Statement:
Singapore is more polluted than Portugal

In the Most Polluted Countries rating Singapore holds position #66 2021 out of 112 and Portugal is #94 out of 112 2021.
Position of Singapore is worse than position of Portugal.

Referencies:

  1. Most Polluted Countries 2021 by IQAir
    The countries in the rating sorted by 'Pollution Index' in descending order.
    Portugal 'Pollution Index' value is 7.1
    Singapore 'Pollution Index' value is 13.8