The AQI in Vasant Vihar's C Block area was 1,336 at 11.55 am, as per Swiss air quality monitor IQAir. An AQI above 300 is considered 'hazardous' for humans.

Ashutosh Mishra covers the severe air quality crisis in Delhi and NCR, impacting respiratory health and visibility. Cities like Noida and Gurugram are also affected by toxic air blamed on stubble burning and other issues.

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.