A toxic haze enveloped India's national capital on Wednesday morning as temperatures dropped and pollution surged, reducing visibility in some parts and prompting a warning from airport authorities that flights may be affected.

Delhi and its neighbouring cities are experiencing pollution levels that are at least 30-35 times the safe limit recommended by the World Health Organization (WHO). Every year, De

The air quality index (AQI) had surged to 366 according to real-time data from the Central Pollution Control Board (CPCB) at 9 am.

The toxic smog that has enveloped India's capital worsened on Wednesday morning as temperatures and wind speeds dropped, reducing visibility and affecting flights. Delhi overtook Pakistan's Lahore as the world's most polluted city in Swiss group IQAir's live rankings,