AirVisual measures air pollution
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.
Hanoi air pollution is serious, people are fed up
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Hanoi residents are facing many health problems due to air pollution.
This morning, Hanoi is the most polluted in the world
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The IQAir air quality index application this morning (December 30) ranked Hanoi as the most polluted city in the world.
Hanoi is in the top 3 most polluted areas in the world. Which area has the most fine dust this morning?
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Air Visual air quality index application ranked Hanoi as the third most polluted in the world this morning (December 25).
