5 Countries With The Best Air Quality In The World

3. Australia 

PM2.5 Concentration (μg/m³) = 4.2 

Total Population = 25,688,079

Australia’s election of a pro-climate-action government may have proved to be successful as it currently sits in the top 10 countries with the best air quality in the world. However, it remains susceptible to short bursts of pollution spikes due to dust storms and bushfires.