Oman today_ According to data from Numbeo, Oman secured a score of 35.6 in the 2025 Air Pollution Index, ranking as the second cleanest country in Asia and 23rd globally among 113 countries.
In this ranking, Iran scored 75.2, placing it 12th in Asia and 91st worldwide.
Top 10 Cleanest Countries in the World: 1. Finland 2. Iceland 3. Estonia 4. Sweden 5. Denmark 6. Norway 7. Austria 8. Netherlands 9. Slovenia 10. Switzerland
Top 10 Most Polluted Countries in the World: 1. Cameroon 2. Myanmar 3. Lebanon 4. Nigeria 5. Mongolia 6. Ghana 7. Bangladesh 8. Afghanistan 9. Vietnam 10. Nepal
Oman: The Second Cleanest Country in Asia in 2025
