Delhi experienced a foggy morning on Sunday, with the minimum temperature recorded at 7.3 degrees Celsius, two notches below the season's average. The Air Quality Index (AQI) deteriorated from 370 on Saturday to 393,

Delhi 's air quality index (AQI) once again worsened to the "severe" category with a reading of 427 recorded at 7:00am on Sunday. PM2.5 was the major pollutant responsible for the alarming situation,

The Centre's air quality panel for Delhi-NCR imposed the Stage 4 curbs under the winter air pollution control plan, including a ban on all construction activities.

Delhi and NCR face hazardous air quality with AQI exceeding 400. Severe health risks for residents. Cold weather worsens pollution.

Delhi’s minimum temperature rose in the past 24 hours and was recorded at 7.5°C -- a degree below normal Delhi’s air quality remained in the ‘severe’ category for a fourth straight day on Friday as calm winds kept Delhi trapped in a toxic haze coupled with pollutants.