The air quality in Delhi continued to deteriorate on Sunday, with the Air Quality Index (AQI) remaining in the 'poor' category amid a cold wave gripping the city.

As per ANI reports, the AQI stood at 246 at 7 am on Sunday, up from 212 the previous day. The worsening air quality coincided with a further drop in temperature. According to the India Meteorological Department (IMD), the mercury in Delhi plunged to 6 degrees Celsius at 5.30 am on Sunday, a significant decrease from the previous day’s 9.4 degrees Celsius.