Health & ScienceLahore tops world's most polluted cities again as smog pushes AQI past 400 across Punjab
Smog engulfed several Pakistani cities on Wednesday as Lahore again ranked as the most polluted major city in the world, with air quality readings in the hazardous range across Punjab and Multan recording an AQI of 867.
Health & Science · 11 Nov 2026, 1:58 pm