Air filtration is a critical technology used to maintain air quality by removing contaminants such as dust, pollen, smoke, bacteria, and other harmful particles. As modern urbanization accelerates and industrialization increases, the quality of the air we breathe is significantly affected. Both indoor and outdoor air pollution pose substantial health risks, making air filtration a crucial aspect of safeguarding human health and the environment. This article explores the importance of air filtration, its benefits, the different types of air filters available, and how they contribute to a cleaner, healthier atmosphere.