The air breath now is not fresh already unlike before. Because of population the air we breath become polluted also. That’s why it is dangerous to our self especially to out children to breath the air that we breath now especially when we our traveling in city or other places. But with the help of other people and out technology the invented different kind of ways how not to take ll polluted air but to reduce it. Like for example the Rabbit Air. This kind of electronics things will helps us to breath good air. Try  It now and see for your self how good is it.