Top 10 Cleanest Countries in the World – Clean Air & Green Living Leaders

This data is based on the Environmental Performance Index

1. Estonia – Often ranked #1 with excellent environmental performance across air quality, sanitation, and ecosystem health.

2. Luxembourg – Strong in water management and waste treatment.

3. Germany – High air and water quality with robust recycling systems.

4. Finland – Known for pristine air, clean water, and extensive forests.

5. United Kingdom – Strong environmental regulations and protected marine areas.

6. Sweden – Famous for sustainable cities and low pollution levels.

7. Norway – Excellent natural environments and strong conservation policies.

8. Austria – High environmental standards and effective waste control.

9. Switzerland – Exceptional sanitation, clean drinking water and ecosystem protection.

10. Denmark – Often leads or ranks highly with strong renewable energy use and waste policies.