Delhi was ranked the most polluted city on Earth in 2014 India has launched its first air quality index, to provide real time information about pollution levels. The index, announced by Prime Minister Narendra Modi, will initially monitor air quality in 10 cities. Last year the Environmental Preference Index ranked India 174 out of 178 countries for air quality. The rising and health-endangering pollution has been mainly blamed on a huge increase in vehicles, particularly diesel-driven cars, on Indian roads. Polluting industries, open burning of refuse and leaves, massive quantities of construction waste and substantial loss of forests have also led to high pollution levels in cities. A World Health Organization (WHO) survey last year found that 13 of the most polluted 20 cities in the world were in India. The capital, Delhi, was the most polluted city in the world , the survey said. It is a leading […]