The air purifier is almost unknown in China, and thousands of dollars seem to have nothing to do with our lives. But since you clearly understand that you are in the haze, not the fog. After bad air quality can harm the body, it starts to sell well. I...

The WHO released the latest air quality survey report in May 2nd this year, which shows that the air pollution situation is still serious in many parts of the world. As many as 7 million people worldwide are estimated to die from outdoor and indoor ai...