Lahore [Pakistan], October 27 (ANI): Lahore’s air quality reached alarming levels, with the city’s Air Quality Index (AQI) apporaching 700 mark on Sunday, according to global monitoring sites, ARY News reported. The city’s overall AQI has been recorded at 690, placing Lahore at the top of the world’s most polluted cities list. The hazardous air quality has prompted health authorities to issue warnings, advising citizens to take immediate precautions. Residents are experiencing a surge in respiratory issues, including coughs, viral flu, and sore throats, due to the poor air quality, as per ARY …