If you thought the link between air pollution and life expectancy was vague and couldn’t be quantified, then think again. According to a study done by leading experts from the University of Chicago, there is direct evidence that you may end up living a whopping 10 years less in Delhi and across large parts of North India because of the danger of air pollution. How was this calculation arrived at and what are the exposure levels that we are talking about before we become seriously impacted? That’s what we will focus on.