Delhi becomes world’s most polluted city as AQI levels reach 1,000
The IndependentSign up to the Independent Climate email for the latest advice on saving the planet Get our free Climate email Get our free Climate email SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy New Delhi ranked as the world’s most polluted city on Wednesday morning as residents in the Indian capital woke up to a thick blanket of haze, marking a severe air emergency. Delhi overtook Pakistan’s Lahore as the world’s most polluted city in Swiss group IQAir’s live rankings, with an air quality index score of more than 1,000, which is considered “hazardous”, but India’s pollution authority said the AQI was around 350. New Delhi has overtaken Pakistan’s Lahore which was the world’s most polluted city for the past week as the satellite images confirmed the country has been covered in toxic smog. "Low visibility procedures" were initiated at the city’s Indira Gandhi International Airport, operator Delhi International Airport Limited said in a post on social media platform X.