What is the least polluted island in the world?

IQ Airs's top ten list of the world's least polluted countries as of 2021 is:
  • New Caledonia – 3.8 µg/m³
  • US Virgin Islands – 4.5 µg/m³
  • Puerto Rico – 4.8 µg/m³
  • Cape Verde – 5.1 µg/m³
  • Bonaire, Sint Eustatius and Saba – 5.1 µg/m³
  • Finland – 5.5 µg/m³
  • Grenada – 5.5 µg/m³
  • Bahamas – 5.5 µg/m³




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Cleanest air in the world in 2022 The cleanest air in the world is in Zurich. The pollution status is determined on the basis of average levels of PM2.5 measured over a period of 12 months. And this Swiss city obtained an annual value of 0.51 µg / m3, which makes it the lowest in the world.

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If you want the world's cleanest air, try moving to the U.S. Virgin Islands or New Caledonia. IQAir analyzed PM2. 5 air pollution, fine particles in the air measuring 2.5 microns or smaller in diameter, at air monitoring stations in 6,475 cities in 117 countries, regions and territories.

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