What harm does foggy weather have to human health?

Among all kinds of meteorological factors that cause diseases, fog poses the greatest threat to human health. The month with the most foggy days is also the season with frequent tracheitis, laryngitis, pneumonia, rhinitis, conjunctivitis and allergic diseases, and the excess mortality rate of patients with pneumonia and lung cancer is as high as 40%. As for the hidden harm of some harmful substances inhaled to the body, it is immeasurable.

Simply put, fog is a common phenomenon of atmospheric condensation, especially in autumn and winter. When fog occurs, a large number of tiny water droplets or ice crystals are suspended in the air near the ground, which makes the air turbid and reduces visibility. Fog will be beneficial to the spread of some germs. The germs attach to the fog droplets and enter the human body with breathing, causing various respiratory diseases. At the same time, some people will suffer from respiratory diseases. In addition, some harmful gases, such as SO2 and NOX. , all dissolved in small water droplets, easy to cause respiratory diseases.