UP: Gzb 2nd most polluted city in world, Lko ranked 16th
UP's 14 cities, including state capital Lucknow, feature on the list of 50 most polluted cities in the world, as per Swiss-based technology company IQAir's World Air Quality Report, which was released on Tuesday. And to top it off, as per the report, industrial city Ghaziabad is the second most polluted city in the world after Rajasthan's Bhiwadi.