Smog delays flights in China A star is twinkling above a pedestrian wearing a mask silhouetted against the city skyline shrouded in heavy smog in Beijing Monday, Jan. 2, 2017. Beijing and other cities across northern and central China were shrouded in thick smog Monday, Jan. 2, 2017, prompting authorities to delay dozens of flights and close highways. (AP Photo/Andy Wong)
Smog delays flights in China
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Beijing and other cities across northern and central China recently have been shrouded in smog. What is smog? Think of it has smoky fog.
 
This has prompted authorities to delay dozens of flights. Some highways also have been closed.
 
The Beijing Municipal Environmental Protection Bureau extended an "orange alert" Jan. 2. The bureau predicted heavy air pollution for three more days. Beijing's smog had initially been forecast to lift by then.
 
The "orange alert" is the third level. That precedes a "red alert" in China's four-tiered warning system. On Jan. 1, 25 cities in China issued "red alerts" for smog. The alerts trigger orders to close factories, schools and construction sites.
 
Air pollution readings in northern Chinese cities were many times above the World Health Organization-designated safe level. That number is 25 micrograms per cubic meter of PM 2.5. Those are tiny, toxic particles. They damage lung tissue. The readings exceeded 400 on Jan. 2 in several cities. These were in Hebei. It is a northern province.
 
Expressways in Shijiazhuang, Hebei's capital, and other cities there were temporarily closed.
 
Zhengzhou is a central city. Authorities there ordered students to stay home Jan. 3. The smog was too bad.
 
More than 300 flights out of the northern city of Tianjin were canceled. This was due to poor visibility.
 
Authorities have deployed teams of inspectors. They are checking on polluting factories.
 
China has long faced some of the worst air pollution in the world. The smog is blamed on the country's reliance of coal. It is used for energy and factory production. In addition, the country has many older cars. They are less efficient than newer models. Their exhausts help create the smog.
 
Researchers at Germany's Max Planck institute have studied smog. They estimated that smog has led to 1.4 million premature deaths per year in China. The nonprofit group Berkeley Earth is based in California. It uses a higher figure. It says 1.6 million.

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CRITICAL THINKING QUESTION
Why is smog a bigger issue in China than the U.S.?
Write your answers in the comments section below


COMMENTS (1)
  • jonathanv1-sch
    1/19/2017 - 04:13 p.m.

    people smoking can hurt the air because that cause smog and can be unhealthy for people.a quote that show this is"The "orange alert" is the third level. That precedes a "red alert" in China's four-tiered warning system. On Jan. 1, 25 cities in China issued "red alerts" for smog. The alerts trigger orders to close factories, schools and construction sites."it hurts people lungs and that can stop our

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