Dirty Air Travel Manual - 污气出行指南Publication10/04/2022 Airborne pollutants are harmful to the human body in many ways, mainly in the form of respiratory illnesses and physiological dysfunctions, as well as illnesses due to irritation of mucosal tissues such as the eyes and nose. Therefore, the publication is designed to focus on the gradual decline of the earth's air quality as industry develops and traffic increases. The location focuses on the industrially developed and densely populated areas of China. By making a side-by-side comparison of air pollution levels in different places, it gives a clearer picture of the level of air quality in people's cities, in the country or in a particular province. Such poor air quality seriously affects people's lives. This booklet will introduce some of the issues of how air pollution affects people's lives and provide guidelines for travelling and living.