Every year during the onset of winter Delhis air quality begins to fall. The air quality in Delhi, worsens now, according to a WHO World Health Organization survey of world cities, is the worst of any major city in the world. Motor vehicle emissions are one of the causes of poor air quality. Other causes include wood-burning fires, fires on agricultural land, exhaust from diesel generators, dust from Construction sites, burning garbage and illegal industrial activities in Delhi. The biggest burden of air pollution is undoubtedly its impact on public health. We are breathing in toxic air every single second and facing so many health issues. Poor air quality is a cause of reduced lung capacity, headaches, sore throats, coughs, fatigue, lung cancer, and early death. This situation is dangerous for every individual person but it makes worse situations for asthma patient, cardiac patient, pregnant women’s, old peoples and children’s. Approx. 2.2 million Children in Delhi have irreversible lung damage due to the poor quality of the air. In addition, research shows that pollution can lower childrens immune system and increase the risks of cancer, epilepsy, diabetes. Urgent strict action is required to help reduce air pollution in Delhi.