15 Cities with the Cleanest Air in the World

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12. Monaco

PM 2.5 annual mean, ug/m3: 9.06

This city-state also enjoys the status of a country with high air quality and low concentration of PM 2.5 pollutant. Since 2009, local government started using electric cars in order to reduce air pollution. In 2014, an interactive car-share scheme called Mobee was announced, and tourists traveling to Monaco can rent an electric car. This environmentally friendly use of energy contributes to the reduction of CO2 emissions.

15 Cities with the Cleanest Air in the World

Pixabay/Public Domain

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