India, Nov. 5 -- Delhi's air quality remained in the 'very poor' category for the fourth consecutive day on Thursday, as a thick haze continued to engulf the Capital's skyline.

Delhi's air quality index (AQI) was recorded at 368 at 7.05 am. The 24-hour average AQI on Wednesday was 377, compared with 350 on Tuesday and 324 on Monday. Last Friday, the city recorded an AQI of 60, in the "satisfactory" category, making it the cleanest October day in four years.

Eighteen of the city's 59 reporting stations recorded AQI readings in the severe category, 36 in the very poor category, and 5 in the poor category.

Jahangirpuri recorded the worst AQI at 459, followed by IIT-Delhi and Punjabi Bagh at 447 and 446, respectively. Okhla Phase II (399),...