
Which cities across the world have the worst air pollution and how does London compare?
1. New Delhi, India, 91.8 2. N’Djamena, Chad, 91.6 3. Dakha, Bangladesh, 78.0 4. Kinshasa, D.R. Congo, 58.2 5. Islamabad, Pakistan, 52.4 6. Dushanbe, Tajikstan, 46.3 7. Hanoi, Vietnam, 45.4 8. Kathmandu, Nepal, 45.1 9. Abuja, Nigeria, 42.2 10. Jakarta, …