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Hopefully this article will make you realize and value the health benefits of fresh air. And as a result, you will be spending a lot more time outside of the city. Here is a list of important health benefits of fresh air: 1  Fresh air is good for digestion. 2  Improves your blood pressure and heart rate.3  It makes you happier.4  Strengthens your immune system.5  Fresh air cleans your lungs.nd as a result, you will be spending a lot more time outside of the city. Here is a list of important health benefits of fresh air: 1  Fresh air is good for digestion. 2  Improves your blood pressure and heart rate. 3  It makes you happier. 4  Strengthens your immune system.
Humidity is important in climate change. Water vapor in the air, the humidity, plays an important part in global climate. Like carbon dioxide, water vapor is a greenhouse gas. Climate scientists have found that carbon dioxide human activities is adding to the air is causing the Earth's average climate to warm.nless you are a weather forecaster, or a scientist or engineer involved in work involving the amount of water vapor in the air, you can easily go through life without understanding relative humidity. On the other hand, it is nice to know what a TV meteorologist means by dew point.