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Delhi overtakes Lahore as world's most polluted city as air quality drops

IQAir said Delhi’s AQI hit 334 as winter smog trapped emissions and pushed the city past Lahore despite stepped-up enforcement in Punjab.

  • On Friday, Delhi overtook Lahore as the world's most polluted city as hazardous smog blanketed the capital of 20 million people. Swiss group IQAir measured the air quality index at 334.
  • Pollution levels spiked since the Diwali festival on November 8 as winter weather traps emissions across northern India. India's Ministry of Environment, Forest and Climate Change attributes 23 per cent of winter pollution to vehicles and 20 per cent to biomass burning.
  • India's Central Pollution Control Board recorded a severe reading of 403 on Friday, with 33 of the city's 58 monitoring stations reporting severe conditions. Short-term PM2.5 exposure is linked to about 33,000 annual deaths across Indian cities.
  • Punjab Environment Protection Agency spokesperson Sajjad Bashir reported intensified enforcement actions against pollution sources. Authorities sealed 1,419 industrial units and imposed fines totalling Rs216.98m this year, representing a "substantial increase" in regulatory efforts.
  • Bashir noted favourable weather dispersed pollutants but warned enforcement must continue beyond the smog season. Pollution remains a recurring seasonal challenge trapping emissions from construction, industry, and agriculture every winter across northern India.
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8 Articles

Lean Left

In a scene that reflects the seriousness of the environmental challenges facing major cities, the Indian capital, New Delhi, is at the forefront of the world ' s most polluted cities, after going beyond the Pakistani city of Lahore, amid rising levels of smoke fog.

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Khaleej Times broke the news in Dubai, United Arab Emirates (the) on Friday, November 13, 2026.
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