Why is Hanoi the most polluted in the world?
Hùng Cường |
Hanoi is regularly on the list of the world's most polluted cities, with air quality indexes at warning levels for many days.
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Hanoi is the most polluted in the world, with some spots reaching extreme pollution
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On the morning of January 3, the IQAir application ranked Hanoi as the most polluted city in the world.
The two most polluted times of the day
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During the day, air pollution levels fluctuate, concentrated between 6-8am and 5-7pm.
Hanoi ranked 2nd in the world for pollution, many measuring points at hazardous levels
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Near noon on January 2, Hanoi's sky was still hazy, IQAir ranked Hanoi as the second most polluted city in the world.
Scene of the chain collision at the beginning of Thang Long bridge, the car was crushed
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Hanoi - A series of accidents at the beginning of Thang Long bridge (direction to Dong Anh) caused many vehicles to be heavily damaged.
Not yet applying two-way SIM lock, people need to understand the regulations correctly
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The locking of the new SIM applies at a one-way level to cases that have received notifications but have not been verified.
The competition ratio for 10th grade in Ho Chi Minh City is largely different, many schools lack students
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The competition ratio for 10th grade in Ho Chi Minh City in 2026 is clearly differentiated, many top schools have high levels of competition, while many schools lack registered students.
Hanoi is the most polluted in the world, with some spots reaching extreme pollution
Huy Hùng |
On the morning of January 3, the IQAir application ranked Hanoi as the most polluted city in the world.
The two most polluted times of the day
Huy Hùng |
During the day, air pollution levels fluctuate, concentrated between 6-8am and 5-7pm.
Hanoi ranked 2nd in the world for pollution, many measuring points at hazardous levels
Huy Hùng |
Near noon on January 2, Hanoi's sky was still hazy, IQAir ranked Hanoi as the second most polluted city in the world.
