Is there smog in Yinchuan?

Yes.

Yinchuan also issued a yellow warning for "haze"

——Residents should pay more attention to outdoor activities in haze weather

[Abstract] Yinchuan Meteorological Observatory on December 15 A yellow haze warning signal was issued at 7:40: At present, haze with visibility less than 3,000 meters has appeared in Yinchuan urban area. It is expected that on the morning of the 15th, moderate haze with relatively turbid air will appear in Yinchuan urban area. The public is particularly reminded to take precautions. The Yinchuan Meteorological Bureau has issued yellow haze warnings several times since the beginning of winter.

The Yinchuan Meteorological Observatory issued a haze yellow warning signal at 7:40 on December 15: At present, haze with visibility less than 3,000 meters has appeared in Yinchuan urban area. It is expected that on the morning of the 15th, Yinchuan urban area will experience relatively high air quality. Turbid moderate haze. The public is particularly reminded to take precautions. The Yinchuan Meteorological Bureau has issued yellow haze warnings several times since the beginning of winter.

"This is a common weather in winter in the north. In 2012, 'haze' weather was officially included in the meteorological warning system." A person in charge of the Yinchuan Meteorological Bureau said that since the beginning of winter, Yinchuan City has issued at least three Haze yellow warning, "As long as haze with visibility less than 3,000 meters occurs, timely warnings need to be issued to provide residents with a reference for travel."

On December 15, Yinchuan had no sustained wind direction and the wind was gentle." Under such weather conditions and during the heating period in winter, pollution emissions from some heating companies increase, making it easy to form haze," said a staff member in the environmental protection industry. It is reported that under moderate and severe haze weather, a large number of substances harmful to human health accumulate in the air near the ground. They can directly enter and adhere to the upper and lower respiratory tract and lung lobes of the human body, causing rhinitis, bronchitis and other diseases. If you are exposed to this environment for a long time It can also induce lung cancer. Therefore, the elderly, children with weak immunity, and susceptible people with respiratory diseases should reduce outdoor activities during haze weather and wear masks when going out. In addition, moderate and severe haze weather can easily cause irritation to the human respiratory and circulatory system. People can easily sprain their bodies and induce myocardial infarction, pulmonary heart disease, etc. during exercise. Therefore, the amount and intensity of exercise should also be moderately reduced during haze weather.