How important of the good quality air for human

Does the surrounding work environment around you clean enough? does your work environment clean or not?
The harm of air pollution are mainly include harm for human body, harm for plants, weather effect.
The harm of air pollution on human health, including acute and chronic two kinds.
The exposure to high concentrations of pollutants in the air after a period of time, will cause poisoning or other symptoms.
Use air purifier clean the air around you to keep our body health. also can put Vehicle-mounted air purifier in your car.