Los Angeles had the worst air quality in the United States yesterday. Why is the pollution so serious?


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Los Angeles has the worst air quality in the U.S.


According to reports from major foreign media in Los Angeles,Los Angeles received the lowest score in the United States in the latest air quality test yesterday, and scored an "F" in the ozone layer pollution test.




According to the latest annual air test report of the American Lung Association, Los Angeles has the worst air quality in the United States, and ozone pollution is the worst in the United States.

The report also shows that40% of Americans live with unhealthy air pollution, especially residents of Southern California.

Los Angeles County, Cheng County, San Bernardino County, Riverside County, Ventura County, etc. all achieved "F" in the ozone pollution test, which means they failed.

"Air pollution has many negative effects on people's health," said Will Barrett, director of the Clean Air Organization and the Lung Association."Slightly may cause skin pain and itching, moderately may cause coughing, and severely may also cause asthma, heart disease, stroke, lung cancer, etc."


It is the responsibility of the South Coast Air Quality Administration to protect California’s air quality. They said they were helpless at this failing score, but they were not surprised.

"We know that our air quality is definitely one of the worst in the United States," said Sarah Rees, head of the South Coast Air Quality Administration. "But in fact, we have improved a lot over the years..."

According to this report,The air quality in Southern California has indeed made significant progress over the years. However, because California’s air quality basis was so poor more than 20 years ago, even though it is much better now, it still ranks last in the United States.


Why is the air pollution in Southern California so serious?

The serious air pollution in Southern California is largely due to changes in weather such as the greenhouse effect.

Because California has to face more extreme hot weather and more frequent and severe wildfires-both of which will accelerate the deterioration of the ozone layer over California.

In addition, there is another factor,That is, 40% of American imports come from the ports of Los Angeles and Long Beach.

"These imported goods come in from our port and are transported by rail to warehouses across the United States. The engine exhaust generated in this process is also one of the reasons why Southern California air pollution is particularly serious." Sarah Rees told reporters.


Will Barrett, director of the Clean Air Organization and the Lung Association, believes that if you want to control the air quality,The most important task is to reduce traffic exhaust emissions.

He said: "We need to reduce the burning of fossil fuels in transportation and implement zero-emission technology as soon as possible, not only for small cars, but also medium and large vehicles and port vehicles."

What can we do to reduce air pollution?


Southern California has serious air pollution, and Los Angeles is the bottom of the nation.


In fact, this result is not only the responsibility of the Air Administration, but also the responsibility of everyone.



So, what can we do to reduce air pollution?


  1. Use public transportation

  2. Turn off the light when not needed to reduce light pollution

  3. Recycle as much as possible

  4. Reduce the use of plastic

  5. Reduce smoking and prevent forest fires

  6. Use less air conditioner and more fan

  7. Use a chimney with filtering function

  8. Use less chemicals

  9. Less fireworks

  10. Plant more trees


The pollution is serious, how can we protect ourselves?


Since we must live in an area with more serious air pollution, what can we do to reduce the harm caused by air pollution to our health?



  1. Through the weather forecast, learn more about the air quality in the area where you live

  2. Don't do outdoor sports when the air pollution level is high

  3. Do not exercise in an area with a lot of vehicles

  4. Use less energy at home, electricity or other energy sources will cause air pollution

  5. Encourage children to travel around the school bus as little as possible, and ask the school to prohibit school buses from approaching the school building

  6. Walk more, bike more, carpool more

  7. Don't burn wood or rubbish

  8. Use a manual weeder instead of a petrol-powered weeder

  9. Don't smoke indoors

  10. Pay more attention to reports and news related to air quality



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