Breathing in Mumbai gets riskier; city leaps from 5th to 3rd most polluted in a week

In just a week, Mumbai has started to raced up the world pollution rankings, leaping from 5th to 3rd most polluted city, making the air even more dangerous to breathe.A week after Mumbai came fifth in the list of most polluted cities in the world, a latest ranking carried out by IQAir — an independent US-based global air quality assessment organisation has classified Mumbai as the third most polluted city globally, with an AQI reading of 166, in a list of 122 global cities.