According to World Health Organization(WHO), Air pollution kills an estimated seven million people world wide. From smog hanging over cities to smoke inside the home air pollution poses a major threat to health and climate. In 2016, 91% of the world population was living in places where the WHO air quality guidelines levels are not met. In Delhi, capital territory of india, according to a WHO survey of 1650 world cities, is the worst of any major city in the world. In 2010, the year of the WHO survey, the average PM10 level in Delhi was 286 μg/m3. In 2013, the PM2.5 level was 153 μg/m3. These levels are considered very unhealthy. In this challenge your task is to predict particulate matter concentration (PM 2.5). The dataset is collected from various locations. For data privacy, the locations will not be revealed. Petrichor Petrichor, the annual technocultural fest of IIT Palakkad, is a golden opportunity to bring out the artist or techie in you and to meet exponents from various technical, cultural and social fields. For more details visit [Petrichor](https://www.petrichor-iitpkd.com/) website.