▲ Ozone warning issued

Ozone warnings are frequently issued these days. What is ozone? Ozone in the stratosphere forms the ozone layer, which protects earth life from harmful UV-rays that comes from the sun. The ozone layer is beneficial to humans. 

However, ozone in the troposphere may have harmful effects on the human body and ecosystem. It irritates the human eyes and respiratory, also it damages crops. 

▲ How ozone is created

Unlike fine dust or dust, ozone cannot be prevented by wearing a mask. Because the ozone is the molecules that makes up part of the air, it cannot be prevented by any small filter. 

Thus, when ozone warning is issued, you should stop outdoor activities and close all windows even though you are at home. What should we do to reduce the harmful ozone? 

It is not hard to follow some easy steps. 

First, use public transportation instead of using a car. 

Next, reduce usage of sprays with Freon gas and air conditioner. Also, do not open the refrigerator door often. 

Finally, walk short distances instead of using powered transport