Yet another bad air day in Delhi, the national capital recorded its tenth 'severe' air day for the month on Friday, with a 24-hour average AQI of 415 at 4 pm.

The calm conditions preventing the dispersion of pollutants.

By 7 pm, the AQI had deteriorated further to 422 in Delhi, of the air quality monitoring stations in the city, the worst AQI of 473 was recorded at Jahangirpuri and Bawana at 7 pm.

According to the forecast issued by the Air Quality Early Warning System for Delhi, the AQI is set to remain in the 'severe' category on Saturday and could be 'very poor' on Sunday and Monday. The wind speed is likely to pick up marginally from what were calm conditions on Friday to a speed of around 4 to 6 kmph at on Sunday, and further to around 4 to 12 kmph on Monday, with a western disturbance set to affect northwest India from Sunday onwards.

The worst AQI that the city has recorded so far this month is 468 on November 3.

Meanwhile, light rainfall or thundershowers are also on the India Meteorological Department (IMD) forecast for Delhi on Monday.

Delhi's minimum temperature was around 9.4 degrees Celsius early on Friday, close to the 9.2 degrees recorded on Thursday, and two notches above the normal for this time of the year. The minimum temperature is set to remain at around 9 or 10 degrees over the weekend, the forecast indicates.