Which city is so much dirty in world?

There are several different ways to measure the "dirtiest" city in the world. Some consider factors such as air quality, water pollution, and overall city cleanliness. According to various surveys and rankings, here are a few cities that are often mentioned as being among the most polluted and dirty in the world:

1.Dhaka, Bangladesh: Air pollution, traffic congestion, and waste management issues have led Dhaka to be cited as one of the dirtiest cities.

2.Cairo, Egypt: Air pollution, garbage accumulation on streets, and sanitation challenges have contributed to Cairo's reputation as being dirty.

3.Kolkata, India: Overpopulation, traffic, improper waste management, and the presence of open sewage drains make Kolkata one of the most polluted cities in the world.

4.Manila, Philippines: The lack of proper wastewater management, coupled with congested streets and slums, has resulted in Manila being considered dirty by several assessments.

5.Mexico City, Mexico: Air pollution from heavy traffic, factories, and industrial activities, as well as challenges with waste management, impact the city's cleanliness.

6.Moscow, Russia: Despite efforts to improve its environmental situation, Moscow still faces challenges with air pollution and waste management.

7.Mumbai, India: High population density, traffic congestion, and insufficient infrastructure have led Mumbai to be considered dirty by many residents.

8.New Delhi, India: Air pollution from various sources, including traffic and industrial emissions, contributes to New Delhi's status as one of the world's dirtiest cities.

9.Port Harcourt, Nigeria: Oil spills, inadequate sanitation, and waste management issues have led Port Harcourt to be identified as one of the world's most polluted cities.

10.Tehran, Iran: Air pollution, traffic congestion, and improper waste management make Tehran one of the most polluted cities in the world.

These rankings can change over time as cities implement initiatives to tackle environmental and cleanliness challenges. It is essential for cities to prioritize sustainable practices, invest in waste management, address air and water pollution, and promote public awareness to improve the cleanliness of their environments.