New Delhi, Feb. 10 -- The air quality in the national capital deteriorated on Tuesday morning, with the Air Quality Index (AQI) rising to 267, placing it in the 'poor' category, according to the Central Pollution Control Board (CPCB).

A day earlier, the AQI was recorded at 206, also in the 'poor' category.

Several areas of Delhi are now witnessing a layer of smog, raising concerns among residents, especially those with respiratory issues.

According to CPCB data, AQI readings were 317 at Anand Vihar, 333 at Bawana, 280 at Chandni Chowk, 252 at Dwarka Sector 8, 192 at IGI Airport (T3), 277 at ITO, 344 at Narela, 277 at Punjabi Bagh, 296 at RK Puram, 339 at Wazirpur, and 335 at Rohini.

Areas around India Gate and Kartavya Path registered...