Delhi is the most worst air polluted city in India. The Air Quality Index (AQI) of Delhi is rising day by day. It doesn't seem to be better any more. As the increase of population, people do not take much care of the actions they do everyday which may affect to the environment and society as well. It is not late to be stand against air pollution and take preventive measures on air pollution in Delhi. Usually, every year, during the month of Diwali, November, the air pollution is very high because of many factors. Thus it affects the city a lot. It causes many harmful diseases to people and suffer from many respiratory illnesses. Delhi AQI (Air Quality Index): AQI India Pollution Map Source: https://www.aqi.in