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On February 4, the 2022 Winter Olympic Games will be held in Beijing and the nearby province Hebei. Athletes from all over the world will be participating. However, many have concerns regarding the air quality of Beijing and Hebei, as these two areas has been haunted by air pollution for years.
Weather and air quality are considered to be two important factors in the Olympic Games, as bad weather and poor air quality might affect vision during the competition, and also cause possible health problems. In 2015, when Beijing won the host bid for the 2022 Olympic Games, the air quality in the Beijing-Tianjin-Hebei (BTH) Region was relatively bad, with only 186 days with good or excellent air quality, according to the annual report released by the Beijing Municipal Ecology and Environmental Bureau.