Most polluted cities: 1. Kathmandu 2. Tetovo 3. Faridabad | TIMELINE TRENDS

Most polluted cities:

1. Kathmandu
2. Tetovo
3. Faridabad
4. Ulaanbaatar
5. Beirut
6. Dhaka
7. Ghaziabad
8. Accra
9. Kabul
10. Noida

23. Chelyabinsk
41. Mexico City
46. Dnipro
74. Shanghai
107. LA
301. Copenhagen
314. Helsinki

@TimelineTrends