New Delhi Becomes World's Most Polluted City, Surpassing Lahore

New Delhi. India's capital New Delhi on Friday became the world's most polluted city, surpassing Pakistan's Lahore. The air pollution level has reached a dangerous state, and Delhi, with a population of 20 million, is covered in thick smog and haze. Due to pollution, visibility has also reached a low level in various parts of the city.

According to IQAir, a Switzerland-based air quality monitoring organization, Delhi's Air Quality Index (AQI) reached 334 on Friday. This is considered a dangerous level for health. Based on this index, Delhi has become the most polluted among the major cities of the world.