Updated On: 20 December, 2025 05:10 PM IST | ronak mastakar
Delhi-NCR woke up to a thick blanket of fog on Saturday, with the India Meteorological Department issuing an orange alert for dense fog conditions expected to persist through the day. (Pics/PTI)

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"Partly cloudy sky. Dense to very dense fog during morning hours. Mist/shallow fog during night/early hours," the IMD said in its forecast for the national capital.
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The weather department explained that "very dense fog" is recorded when visibility drops to between 0 and 50 metres, while visibility of 51 to 200 metres is categorised as "dense".

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Visibility between 201 and 500 metres falls under the category of "moderate" fog, and visibility between 501 and 1,000 metres is termed "shallow" fog.
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Alongside the poor visibility, Delhi continued to grapple with severe air pollution. The Air Quality Index remained in the "very poor" category at 376 as of 6:00 a.m., according to data from the Central Pollution Control Board.

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The Air Quality Early Warning System has forecast that pollution levels are likely to worsen further, with the AQI expected to enter the 400-plus "severe" category over the weekend.
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