World’s most polluted city where 9MILLION people live in choking soup of toxic smog… which six times worse than London
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MILLIONS are choking on toxic air and struggling to breathe in the world's most polluted city, with the streets enveloped in thick smog. Vietnam's capital, Hanoi, is being suffocated by hazardous, cancer-causing air particles sparked by miles of burning rubbish and heavy traffic.
![[Hanoi's air is so dire that it has been ranked as the world's most polluted city,]](https://www.thesun.co.uk/wp-content/uploads/2025/01/2025-hanoi-tops-list-world-962059612.jpg?strip=all&w=960)
The city’s air is so dire that it has been ranked as the world's most polluted city, with six times higher pollution levels than London. Conditions are so bad that Hanoi's nine million residents are warned to wear masks and limit their time outdoors.
![[The pollutions is also attributed to the extreme amounts of waste]](https://www.thesun.co.uk/wp-content/uploads/2025/01/workers-push-cart-landfill-nylon-962404317.jpg?strip=all&w=960)
Health officials say that those who frequently breathe the world's worst-quality air are at risk of strokes, asthma, heart disease and lung cancer. Resident Nguyen Ninh Huong, 21, said she initially mistook the thick smog enveloping the city's skyscrapers for fog.
![[The densely-populated capitals pollution levels are over 50 times higher than recommended guidelines]](https://www.thesun.co.uk/wp-content/uploads/2025/01/2025-thick-smog-blanketed-hanoi-961215311.jpg?strip=all&w=960)
She said: “At first I thought it was foggy ... but later I found out that it is actually fine dusts that reduce my vision and make me feel like it is not healthy to breathe.”. The nation, one of Asia's fastest-growing economies, has battled severe air pollution challenges for many years.
![[Conditions are so bad that people are being advised to wear masks to protect themselves from the poor air quality]](https://www.thesun.co.uk/wp-content/uploads/2025/01/000-cars-traffic-hanoi-figures-962404859.jpg?strip=all&w=960)
However, residents feel the poor air quality has recently become even more toxic. Resident Luu Minh Duc, 64, said: “We, the elderly, can feel it very clearly when we suffer from respiratory problems that lead to breathing difficulties,” she said. The densely-populated capitals pollution levels are over 50 times higher than recommended guidelines.
![[Hazardous small particles known as PM2.5 reached a staggering 266 micrograms per cubic meter (μg/m³) in Hanoi on early Friday]](https://www.thesun.co.uk/wp-content/uploads/2025/01/view-shows-city-amid-air-961194184.jpg?strip=all&w=960)
