Sharjah24 - Reuters: All flights to and from the international airport in Vietnam's capital Hanoi have been delayed or diverted to other cities on Friday due to heavy fog and worsening air pollution, said an airport official.
Air Visual, an independent online air quality index monitor, said Hanoi's levels of hazardous small particles known as PM2.5 in the air were at an extreme high of 257 micrograms per cubic metre early on Friday.
"All incoming flights are being diverted to other cities, including Haiphong or Danang. None can take off either at the moment," an official at Noi Bai International Airport said, declining to be named.
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