Delhi’s AQI reached 427, falling into the ‘severe’ category. Nine stations recorded ‘severe plus’ air quality, which affected the health of humans and street animals.

At 6 am on Saturday, the CPCB recorded Delhi’s AQI at 419, which placed it back in the ‘severe’ category.

The 'severe' category poses serious health risks, especially due to fine particulate matter (PM2.5), which can penetrate deep into the lungs and enter the bloodstream, causing long-term health issues