New Delhi, Dec. 27 -- Days after the Rekha Gupta-led Bharatiya Janata Party (BJP) dispensation revoked stringent anti-pollution GRAP-4 measures in Delhi and neighbouring areas, air quality in the national capital plunged into the 'severe' category, with several areas breaching the 400 mark.

According to Central Pollution Control Board (CPCB) readings, multiple parts of the city recorded 'Very Poor' or 'severe' pollution levels. Patparganj registered an AQI of 432, while Shivaji Park recorded 400. Nehru Nagar reported the highest reading at 442, followed by Shadipur at 429. Sirifort logged an AQI of 402, and RK Puram recorded 412.

Earlier in the morning, Delhi's air quality deteriorated sharply, slipping back into the 'Very Poor' categor...