15 Countries with the Cleanest Air in the World in 2018

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7. Liberia

Many reports show that Liberia constantly works on improving the air quality and the results speak for themselves as this country is becoming one of the countries with the cleanest air. The median PM2.5 is 8, and the death rate is 6 per 100,000 capita, and the number of citizens is 4,931,706.

Countries with the Cleanest Air in the World in 2018

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