Lahore leads world’s most polluted cities list
KARACHI: According to the Air Quality Index (AQI), Lahore continues to dominate the list of the world’s most polluted cities, while Karachi has climbed to the seventh spot. Data shows that Lahore’s air quality remains at hazardous levels, with particulate matter (PM) concentration recorded at 404, while Karachi’s reading stood at 147, indicating unhealthy air … Read more
