Dense fog enveloped large parts of Delhi-NCR on Thursday morning, significantly reducing visibility and disrupting traffic across the region

According to the India Meteorological Department (IMD), dense fog conditions prevailed over the city based on the 6 am observation. Visibility at Palam Airport dropped sharply to 150 metres, while Safdarjung Airport reported visibility of 200 metres

The dense fog affected road traffic in several areas, with vehicles seen moving slowly on major arterial roads and highways connecting Delhi with neighbouring cities, such as Gurugram, Ghaziabad and Noida. Morning commuters faced delays as low visibility prompted motorists to exercise caution

According to the officials, the current visibility at Indira Gandhi International Airport, Palam is 100 metres. General visibility is expected to increase to 150 metres in the next 30 minutes and will gradually improve thereafter. No further reductions are expected

Weather officials said foggy conditions are likely to persist during early mornings in the coming days as winter intensifies. The IMD has forecast dense fog on Thursday and Friday

Meanwhile, air quality in the national capital remained in the `very poor` category, with the air quality index (AQI) recorded at 358, according to the Central Pollution Control Board (CPCB)

On the weather front, the minimum temperature in the national capital settled at 9.0 degrees Celsius, which is 0.9 notches above the season`s average. The maximum temperature is likely to hover around 23 degrees Celsius, the IMD said

The relative humidity was recorded at 100 per cent at 8.30 am

As per the CPCB classification, an AQI between zero and 50 is considered `good`, 51 to 100 `satisfactory`, 101 to 200 `moderate`, 201 to 300 `poor`, 301 to 400 `very poor` and 401 to 500 `severe`