5 Most Air Polluted Countries in the World

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1. Chad

Annual Average PM2.5 Concentration (μg/m³): 89.7

Chad tops our list of the 30 most air polluted countries in the world. It is a semi-desert and a landlocked country in central Africa. Rich in uranium and gold, Chad currently enjoys its recently acquired status as an oil exporting state.

You can also take a look at Top 20 Renewable Energy Companies in the World and 20 Countries Hit Most by Earthquakes.

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