Air filtration is an essential technology in the modern world, addressing the growing concern of air pollution and its impact on human health. As urbanization, industrialization, and the effects of climate change continue to escalate, ensuring clean air has become a critical priority. Air filtration not only helps in removing harmful particles and pollutants from the air but also improves the overall quality of life, both indoors and outdoors. This article will explore the importance of air filtration, its mechanisms, and its applications in various fields.