Dense Fog Hits Delhi, Visibility Drops to 100 Metres; Air Quality Remains ‘Very Poor’

New Delhi: Dense fog blanketed Delhi early Tuesday, causing visibility to drop sharply in several areas, even as the air quality improved marginally to the 'very poor' category at 388.

The India Meteorological Department (IMD) had issued a 'yellow' alert for the city till 9 am in view of the fog.

According to the weather office, visibility at Safdarjung stood at 100 metres at 7.30 am, which improved to 200 metres by 8.30 am. At Palam, moderate fog was observed with visibility registered around 300 metres at 8.30 am, it added.

The Air Quality Index (AQI) stood at 388 on Tuesday morning, marking a marginal improvement from Monday, when the city's air quality stood at the 'severe' category with a reading of 401.

Data from the Central Pollution Control Board's (CPCB) Sameer app on Tuesday showed 16 air quality monitoring stations in the 'severe' category, while 21 stations recorded air quality in the 'very poor' category. Jahangirpuri and Anand Vihar registered the worst air quality, with AQI levels touching 451, the data showed.

Delhi's air quality is likely to remain in the 'very poor' category on Tuesday and Wednesday, and is expected to deteriorate further to the 'severe' category on January 1, 2026, as per the Air Quality Early Warning System.

Meanwhile, 118 flights were cancelled from Delhi beacause of the dense fog blanketing the capital city. Airport Authority of India has informed that passengers should regularly check whether there are any changes in the flight schedule as may flights are either being delayed or cancelled due to the weather conditions in North India.