New Delhi, Jan. 6 -- A dense layer of smog continued to envelop the national capital on Tuesday, with air quality remaining in the 'poor' category across many parts of the city, according to data from the Central Pollution Control Board (CPCB).

CPCB readings showed Delhi's overall Air Quality Index (AQI) at 288, placing it firmly in the 'poor' category. Several pollution hotspots recorded even higher levels, including Anand Vihar at 343, RK Puram at 324, Jawaharlal Nehru Stadium at 313, Dwarka at 307, Ashok Vihar at 302, and ITO at 286.

While most areas reported unhealthy air, a few locations registered comparatively better conditions in the 'moderate' category. Bawana recorded an AQI of 194, while the IGI Airport area stood at 185, as pe...