and this is a view from lahore, pakistan. no, that's not a foggy morning, it's smog-polluted air.ore just topped the list as the most polluted city in the world, as the thick, acrid air continues to take a toll on living conditions, the government is using a new measure to fight the problem. >> reporter: smog so dense you can only see a silhouette of this building that's just a few yards away. on the streets, people are wading through the thick smog. one resident says it's so bad, people are covering their eyes and walking right into traffic. this is lahore, pakistan, which regularly ranks among the most polluted cities in the world. >> now this city, which we call the city of flowers, the city of gardens, is gripped by smog. it is engulfed in smog. >> reporter: on saturday, lahore topped iq air's daily ranking of the most polluted cities in the world again, a ranking often challenged by new delhi. residents cough. everything smells of smoke. according to a paramedic at a local hospital, patients are coming in with sore throats because of the smog, not covid. as the haze grips the