Top 10 Most-Polluted Cities Worldwide:

1. Lahore (Pakistan)

2. Mumbai (India)

3. Kabul (Afghanistan)

4. Kaohsiung (Taiwan)

5. Bishkek (Kyrgyzstan)

6. Accra (Ghana)

7. Krakow (Poland)

8. Doha (Qatar)

9. Astana (Kazakhstan)

10. Santiago (Chile)