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(#1) Switzerland
- Europe
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(#2) Norway
- Europe
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(#3) New Zealand
- Oceania
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(#4) Canada
- Americas
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(#5) Australia
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(#6) Iceland
- Europe
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(#7) Sweden
- Europe
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(#8) Japan
- Asia
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(#9) Estonia
- Europe
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(#10) Luxemburg
- Iowa, USA
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(#11) Ireland
- Europe
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(#12) Belgium
- Europe
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(#13) Croatia
- Europe
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(#14) Cyprus
- Europe
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(#15) Albania
- Europe
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(#16) Mauritius
- Africa
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(#17) Fiji
- Oceania
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(#18) Israel
- Asia
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(#19) Costa Rica
- Americas
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(#20) Gabon
- Africa
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(#21) Colombia
- Americas
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About This Tool
With the continuous increase of urban pollution, the air index is getting worse over the decades, and environmental pollution has become an invisible killer of human health. The lifestyle of energy saving and emission reduction is now advocated by many countries around the world, and the secret of attracting tourists from all over the world in many countries is the local fresh air, clean streets, and tourist attractions. Do you know which countries in the world are the cleanest?
With its clean natural environment, air, and water sources, Switzerland is often referred to as a paradise on earth. There are some other clean countries that are shown by the random tool, such as Australia, Norway, New Zealand, etc.
Our data comes from Ranker, If you want to participate in the ranking of items displayed on this page, please click here.