New Delhi, Dec. 19 -- The national capital, Delhi, woke up to poor air quality on Friday morning, with the overall Air Quality Index (AQI) recorded at 387 at around 8 am, placing it in the 'very poor' category, according to data from the Central Pollution Control Board (CPCB).

Air quality in the city deteriorated further compared to Thursday, when the AQI stood at 373 at 4 pm. Large parts of the city remained enveloped in toxic smog.

Anand Vihar was shrouded in thick smog, with an AQI of 437, placing it in the 'severe category. A thick layer of smog also engulfed areas around ITO, Ghazipur, Palam and Greater Noida.

According to CPCB data, several areas, including Vivek Vihar (436), Punjabi Bagh (412), R.K. Puram (436) and Nehru Nagar (...