Delhi`s air quality slipped back to the `severe` category on Saturday morning with an AQI of 420 while the minimum temperature was recorded at 11.4 degrees Celsius. Out of 38 monitoring stations, nine recorded air quality in the `severe plus` category with AQI exceeding 450.

Delhi woke up to hazardous smog and severely reduced visibility on Saturday morning as the air quality index (AQI) reached 420, plunging back into the "severe" category. Many areas within the city reported dangerously high pollution levels,

Low visibility led to several train delays of 24 to 39 minutes on average. Jansadharan Express from Anand Vihar to Danapur, which was delayed by over 11 hours

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

The Central Pollution Control Board data shows of the 38 monitoring stations in Delhi, nine reported AQI readings in the “severe” range.

A thick layer of smog envelopes the capital city as pollution levels continues to be in 'very poor' category. Today Supreme Court to hear a plea regarding air pollution in Delhi.

At 6 pm, AQI breached the 400-mark at 23 stations as several stations reported 'severe' air quality throughout the day.

A thick blanket of smog has engulfed Delhi, with the air quality continuing to deteriorate across the city. According to data from the Central Pollution Control Board (CPCB), the Air Quality Index (AQI) at Lodhi Road stands at 267, falling under the ‘poor’ category.

Delhi's air quality slipped back to the 'severe' category on Saturday morning with an AQI of 420 while the minimum temperature was recorded at 11.4 degrees Celsius.

Delhi was listed as India's most polluted city Thursday as a weeks-long air quality crisis gripping northern India has shown few signs of letting up.

The AQI in Anand Vihar was recorded as 457; the AQI in Ashok Vihar was 455; Chandni Chowk's AQI was 439 and RK Puram recorded an AQI of 421.