Lahore backed as world’s most polluted city after air quality hits ‘hazardous’ levels
LAHORE: The air quality of Lahore has deteriorated to the hazardous category again making it the world’s most polluted city worst city on Wednesday. According to the Swiss group IQAir’s real-time data, Lahore’s air quality index (AQI) score was 310 on Wednesday morning categorising it as ‘hazardous’. This air quality level
