New Delhi, Nov 9 (PTI) The air quality in Delhi touched the season's worst level on Sunday morning with the AQI climbing to 391 before dipping slightly.

A blanket of smog shrouded the national capital as temperature dropped to 11.7 degrees Celsius, significantly below the normal range.

At 4 pm the Air Quality Index (AQI) stood at 370 on Sunday, placing the city in the “red zone”, data from the Central Pollution Control Board (CPCB) showed.

In the morning, around 8 am, the AQI was recorded at 391 – the season's highest so far – slightly declining two hours later, it added.

Most monitoring stations in Delhi logged pollution levels in the “severe” category, with Punjabi Bagh recording the highest at 425, followed by Bawana at 410, Jahangipuri at 401 and Nehru Nagar and Wazirpur at 400, ac

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