No abstract

Air contributes a prime role in recycling earth's most essential substances like carbon, since carbon sources encompass fossil fuel combustion and decayed matter of dead animals. Due to urbanization, population has been increased in cities inevitably which cause dreadful air pollution and pose a profound menace to public health and the environment. Outdoor air pollution has become panic in India, because Indian cities are some of the highest polluted cities in the world. Particulate pollution has significant worsen effects on human health. Diseases like asthma, chronic obstructive pulmonary disease (COPD), allergies and insomnia are caused or triggered by rising levels of air pollution. Sometimes the poor air quality leads to long-term health effects. Air purifiers occupy as prime factor to clean the air. It promotes our health against allergies, obnoxious odor and snoring. This review article discuss the causes of air pollution, need for air purifier and mechanism of working of air purifier.