Hanoi, Vietnam Declared the Most Polluted City in the World
The Most Polluted City in the World is Hanoi, Vietnam Declared Hanoi, Vietnam, a city rich in history and culture, has recently been declared the most polluted city in the world, according to a report by AirVisual on January 3, 2025. The city reached its highest recorded pollution levels, with harmful particulate matter (PM2.5) at … Read more