Dense fog hits Delhi as air quality improves slightly

Visibility drops sharply; AQI stays in ‘very poor’ range

Thick fog hit Delhi early Tuesday (December 30, 2025), sharply reducing visibility across several parts of the capital. At the same time, air quality showed a marginal improvement, with the Air Quality Index (AQI) recorded at 388, moving down from the ‘severe’ category reported on Monday.

The India Meteorological Department (IMD) issued a yellow alert for fog until 9 a.m. Officials reported that visibility at Safdarjung dropped to 100 metres around 7.30 a.m. before improving to 200 metres by 8.30 a.m. At Palam, moderate fog reduced visibility to around 300 metres.

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Pollution hotspots and weather outlook

Data from the Central Pollution Control Board (CPCB) showed that 16 air quality monitoring stations continued to record ‘severe’ pollution levels, while 21 stations remained in the ‘very poor’ category. Jahangirpuri and Anand Vihar emerged as the worst-affected areas, with AQI levels touching 451.

The Air Quality Early Warning System has forecast that Delhi’s air quality will remain in the ‘very poor’ range over the next few days and may slip back into the ‘severe’ category on January 1, 2026. The city recorded a minimum temperature of 9.4 degrees Celsius on Tuesday morning. The IMD issued an orange alert for very dense fog during the day and predicted a maximum temperature of around 21 degrees Celsius, with humidity levels close to 100 per cent. No rainfall was reported in the past 24 hours.

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