World Most Polluted Countries 2020

Average PM 2.5 (good to moderate PM 2.5 ranges between 0-35.4)

1. Bangladesh (97.1)

2. Pakistan (74.27)

3. India  (72.54)

4. Afghanistan (61.8)

5. Bahrain (59.80)

6. Mongolia (58.5)

7. Kuwait (56.0)

8. Nepal (54.15)

9. UAE (49.93)

10. Nigeria (44.84)