IQAir Study Current Affairs, GK & News

IQAir Study: New Delhi is World’s Most Polluted City

The Swiss group “IQAir” which measures the air quality levels on the basis of concentration of lung-damaging airborne particles called PM 2.5 presented its “2020 World Air Quality Report”. The report indicated that; the capital city of India, New Delhi, is the world’s most polluted capital across the world for the third straight year in ..