Top 10 Dirtiest Cities in the World in 2018

1. New Delhi, India

Our Index Score: 20.0
The city is home to about 17 million people. Because of overcrowding in this city, you will commonly find piles of garbage and public urination. If you visit this city, accommodation is the other problem that you will encounter as many of the hotels remain dirty, have dirty towels and do not have appropriate air and heat conditioning. The other issues that you will find in this city are poor quality of drinking water, prevalence of infectious diseases, lack of recycling and high levels of air pollution.

Overall, there are many dirty cities in the world, but according to our metrics, the cities discussed above are the dirtiest.