Introduction   Delhi Air Quality has been a major issue from past few years. The air quality index often exceeds the acceptable standards set by the World Health Organisation (WHO). Inhalation of pollutants present in the air can cause a variety of illnesses including bronchitis, COPD, and other respiratory and cardiovascular diseases. According to reports, Delhi has recorded its cleanest air in nearly 4 years with an AQI of 104 as per Central Pollution Control Board (CPCB) data. This record is attributed to Covid-19 pandemic-induced restrictions on vehicular movement, industrial activities and construction work. The situation however is not ideal, with dust particles still significantly higher than global standards according to WHO guidelines. The Central Pollution Control Board (CPCB) data shows that levels of Particulate Matter or PM2.5, which are particles less than 2.5 microns in diameter and can penetrate deep into lungs causing serious health issues are still significantly...