Wednesday, 18:18, 15/12/2021

Hanoi on alert for air pollution

VOV.VN trên Google News
VOV.VN - Visibly-dense haze engulfed Hanoi throughout December 15 as the air quality index (AQI) monitored by the capital’s sensor station rose to the unhealthy level of 205, ranking fourth among the world’s most polluted cities.
hanoi on alert for air pollution picture 1
Hanoi is covered by a blanket of smog at 9 a.m. on December 15.
hanoi on alert for air pollution picture 2
Air pollution rises to an unhealthy level in over 60 places across the country, mainly in Hanoi and other neighbouring provinces such as Hung Yen, Ninh Binh, and Thanh Hoa.
hanoi on alert for air pollution picture 3
The capital is placed fourth in the world, with its air quality index (AQI) measuring at 205, which is very harmful to health, according to the latest IQ AirVisual report.
hanoi on alert for air pollution picture 4
In the dry season, air pollutants, including fine particulate matter PM2.5, are trapped near to the ground level, subsequently worsening the air quality throughout Hanoi and neighbouring northern provinces.
hanoi on alert for air pollution picture 5
PM2.5 levels often reach highs at night or early in the morning.
hanoi on alert for air pollution picture 6
Residents should remain updated on the air quality and follow expert recommendations during the current period of heavy air pollution, doctors say. Children and the elderly are advised to remain at home to protect their health.
hanoi on alert for air pollution picture 7
Thick haze blankets Hanoi, resulting in limited vision outside.
hanoi on alert for air pollution picture 8
The capital is covered in dense smog, even at midday.
VOV
Photos: VTC
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