Experts attribute the deteriorating conditions to a mix of vehicular emissions, industrial pollution, and unfavourable weather patterns

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.

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

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.

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

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

The air quality index (AQI) has worsened in eastern Rajasthan districts, bordering Haryana, because of smog in the National Capital Region (NCR). The cold has intensified and the fog has increased under the impact of northern winds.

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.