1. Australia
Did you know that Australia has the cleanest air in the world? Well, now you know — some parts of this country are more polluted than others, but overall, the best air can be found in this country. Whether it is Melbourne or Tasmania, you have to visit Australia at least once. Its median concentration of PM2.5 is 6, and the death rate is 0.4 per 100.000 capita. It has a population of 24,450,561.
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That wraps it up for our list of countries with the cleanest air in the world in 2018.
