The Economic Times

Pakistan's Lahore becomes the world's most polluted city as AQI hits hazardous 410

Lahore was ranked the world's most polluted city on Friday after its AQI reached 410, a hazardous level, according to IQAir. The platform reported that PM2.5 pollution was 45.2 times the World Health Organisation's annual guideline value. The city and other parts of Pakistan's Punjab province face recurring smog between October and February, prompting health experts to advise residents to limit exposure to polluted air.