¡¡¡¡According to meteorological experts, the "air humidity" is a component of water vapor the air to the size, the greater the humidity of the atmosphere is more humid, saturated vapor from the more recent. Normally, we used to express the relative humidity of air humidity size. Certain temperature conditions, the smaller the relative humidity of the air, the faster the evaporation of human sweat, the more cool feeling. Beijing winter and spring day general humidity of 20%, and the night in general about 70% As the winter season humidity is too small, people are often uncomfortable feeling, and sometimes there chapped lips, nose bleeding, dry throat tickle and so on. However, in the summer, air humidity over 80%, due to slow evaporation Sweat, people will be feeling the heat intolerable. sometimes trigger sunstroke or kidney problems, tuberculosis, arthritis and other diseases. Temperature 28 degrees Celsius, relative humidity up to 90%, people will have temperatures reaching 34 degrees Celsius feeling.

¡¡¡¡Meteorological experts said that the chamber more comfortable weather conditions : 25 ¡ã C to room temperature, relative humidity should be controlled in a wide margin of 40% to 50% at room temperature up to 18 ¡ã C, relative humidity should be controlled in 30% to 40%. A humidifier, the family should always pay attention to regulate indoor humidity, and maintain a balance in the state. Experts remind the public, very hot and humid weather can lead to sudden dizziness, brain hemorrhage, cerebral infarction, and other cerebrovascular disease. This is especially hypertension, heart dysfunction and coronary heart disease of the elderly, it might be due to hot and stroke. Therefore, the elderly should be reduced activities and rest; Appropriate to drink salt water, eat more fruits and vegetables, especially watermelons hotness food. Summer high temperature and humidity, bacteria, viruses and other organisms breeding, food rots easily. People in life not to pay particular attention to food to avoid indigestion, acute gastroenteritis, dysentery, diarrhea and other diseases. Moreover, the public should also increase the number of clean skin, wear loose, Sweat-absorbent clothing, and eat hot spicy food, drinking, Sweat to avoid skin diseases caused increased.