New Delhi, Nov. 3 -- Delhi's air quality worsened further on Tuesday morning, with the city's average Air Quality Index (AQI) climbing to 331 at 7 am, compared with 307 at the same time on Monday. The air quality remained in the 'very poor' category, with PM2.5 emerging as the dominant pollutant, according to real-time data from the Central Pollution Control Board (CPCB).

Pollution levels remained high across most parts of the national capital. Out of 58 monitoring stations that reported valid readings, 57 recorded AQI levels above 200, while 41 stations registered readings exceeding 300. As many as eight locations reported AQI levels above 400, placing them in the 'severe' category.

Jahangirpuri emerged as the most polluted location in...