5 Most Air Polluted Countries in the World

In this article, we are going to look at the 5 most air polluted countries in the world. If you want to read more about the most polluted countries in the world and check out our detailed analysis, you can go to 30 Most Air Polluted Countries in the World.

5. Bangladesh

Annual Average PM2.5 Concentration (μg/m³): 65.8

Bangladesh is a South Asian country that ranks among the top 5 most air polluted countries in the world. Due to construction, traffic, and industrial pollution, Bangladesh’s air quality is among the world’s worst.