1. India has 15 out of 20 most polluted cities in world
• Fifteen of the 20 most polluted cities in the world are in India.
• Gurugram led all cities in pollution levels in 2018 with Ghaziabad, Faridabad, Noida and Bhiwadi in the top six.
• India`s national capital region (NCR) emerged as the most polluted region in the world in last year.
• The latest data compiled in the IQAir AirVisual 2018 World Air Quality Report prepared in collaboration with Greenpeace Southeast Asia, reveals the state of particulate matter (PM2.5) pollution last year.
• Out of the 20 most polluted cities in the world, 18 are in India, Pakistan and Bangladesh.
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