Autumn Health: Do not let the air humidity affect your health.

<P> Autumn is the dry season, and humidity of the air also affects our skin health. .In the dry autumn, many of my friends feel like as long as the air moist so that we can alleviate the dry, in fact, the dry air is also important to note a degree of humidity. .</ P> <P> healthy humidity of 45% to 65% humidity in such conditions, the body feels the most comfortable, easy to spread all kinds of germs. .Humidity higher than 65% will make the human respiratory system and mucous membranes have discomfort, decreased immunity. .</ P> <P align=center> </ P> <P> into the air absolute humidity and relative humidity. .Center of daily life and agricultural research is usually used air relative humidity, it is the air temperature, vapor pressure and the same percentage of the saturation vapor pressure. .Air relative humidity and water vapor content of air is proportional to the air temperature is inversely proportional. .</ P> <P> that the more water vapor content of air, the greater the relative humidity, such as coastal zone that is the case, water vapor content of air in the same case, the higher the temperature the smaller the relative humidity, as of the day, .General midday minimum relative humidity of air at night, as the temperature decreases, the air relative humidity is increasing. .</ P>.