Video: Smog engulfs Delhi as air quality worsens ahead of Diwali

A thick layer of smog engulfed Delhi on Wednesday as the air quality worsened. 

The air quality continued to deteriorate in the national capital on Wednesday as the AQI recorded at 7 am was 354, falling in the 'very poor' category. In some areas of the national capital, like Anand Vihar and Jahangirpuri, the air quality plummeted to the 'severe' category, with an AQI in the range of 400. The air quality has continued to worsen over the last few days and is expected to deteriorate in the coming days, ahead of Diwali.