1New Delhi, India

New Delhi tops the list as the dirtiest tourist city in the world. The city has some of the worst air pollution levels, often reaching hazardous levels. The Yamuna River, which flows through the town, is heavily polluted with industrial waste and sewage.
The streets are overcrowded, and waste disposal remains a significant issue. While the city’s rich history and vibrant culture attract millions of tourists, the severe pollution makes it one of the most challenging places to visit.

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