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How bad is the air quality in Beijing?

How bad is the air quality in Beijing?

The city of Beijing was ranked at 201. Throughout 2019, Beijing had just two months when the air quality was classified as “Moderate” with readings between 12.1 and 35.4 µg/m³. The remaining ten months showed readings of 35.5 to 55.4 µg/m³ which categorised it as “Unhealthy for Sensitive Groups”, according to The WHO.

Is Beijing a polluted city?

Beijing — once infamous for its toxic haze — has reduced smog levels and dropped down a list of the world’s most polluted cities, falling to 199 from 84 three years before, according to the 2019 World Air Quality Report published Tuesday by IQAir AirVisual.

Has air quality improved in Beijing?

We confirmed that Beijing’s air quality has improved significantly in recent years, but air pollution levels are still well above the WHO guidelines, leading to poor health and wellbeing for over 20 million people.

Why is the air so bad in Beijing?

The causes of Beijing’s widespread air pollution can be attributed to a number of factors: an enormous economic boom, a surge in the number of motorized vehicles, population growth, output from manufacturing, and natural reasons which include the city’s surrounding topography and seasonal weather.

Is Beijing a dirty city?

The tiny particulate matter can lodge deep in the lungs and cause respiratory ailments, lung cancer and cardiovascular diseases. Beijing was ranked 122 among the most polluted cities in the world in 2018, according to a March report by environmental group Greenpeace and AirVisual’s data.

How did Beijing reduce air pollution?

Reduce air pollution emissions through pollution abatement measures including installing equipment to remove particulate matter, flue gas desulfurization, and denitrification, replacing coal with natural gas, and expanding clean energy vehicles.

How has Beijing improved air quality?

Over the past 20 years, the city has implemented air pollution reduction measures, including energy infrastructure optimization, coal-fired pollution control and vehicle emission controls. The report finds that, since 2013, air pollutants in Beijing have decreased by 25-83%, depending on the pollutant.

Which city in China has the worst air pollution?

Rankings: Most Polluted Cities in China (2020)

  • Anyang Henan Province (44 μg/m3)
  • Shijiazhuang, Hebei Province (43 μg/m3)
  • Xinxiang, Henan Province (41 μg/m3)
  • Xuchang, Henan Province (41 μg/m3)
  • Tianjin, Tianjin Province (40 μg/m3)
  • Taiyuan, Shanxi Province (39 μg/m3)
  • Zhengzhou, Henan Province (39 μg/m3)

Why is Hotan so polluted?

The air pollution in China’s Hotan, with a PM2. 5 of 110.2µg/m3, was largely attributed to local sandstorms given its proximity to the Taklimakan Desert, the world’s largest shifting sand desert. The report on the world’s best and worst places for clean air in 2020 was prepared based on the average value of PM2.