Lahore city’s average AQI stood at 224, placing air quality in very unhealthy category, with PM2.5 levels recorded at 29.8 times higher than the World Health Organisation’s annual guideline value, here on Sunday. The most polluted areas included A Block, Model Town (778), Liberty (266), Allama Iqbal Town (254), Wahdat Road (232), Barki Road (214), […]