CURRENT AFFAIRS

Detailed explanation-1: -Jharia, known worldwide for its underground coal fires, continued to be the most polluted city in the country in 2018, while neighbouring, Dhanbad, came in second according to Airpocalypse-IV, an annual report released by Greenpeace India on Tuesday.

Detailed explanation-2: -The most polluted city in the world is a notable climber in Saudi Arabia, with Dammam averaging 124.11 micrograms of PM2.5 as it was ranked 11th last year. The number of Indian cities on the top 25 list decreased from 10 to 9 as one Chinese city joined the list.