The Capital logged 41.2 mm of rain in the 24 hours till 8.30 am on Saturday, marking the highest single day December rainfall in 101 years since 1923 and the second highest in recorded history since 1901.

According to the IMD, the active Western Disturbance and its interaction with the easterly winds are causing the rain.

Delhi experiences its highest single-day December rainfall in 101 years, improving air quality but remaining in the 'very poor' category. Heavy rains cause disruptions.

Delhi woke up to light rain and dense fog on December 27, reducing visibility and adding to the winter chill. IMD predicted more rain and thunderstorms over the weekend. Despite showers, Delhi’s AQI remains in the ‘very poor’ category,

The city received 41.2 mm of rain between 8.30 am on Friday and 8.30 am on Saturday. This is the highest rain seen in Delhi in 24 hours in December since 1923, when 75.7 mm of rain was recorded on December 3. December this year has also seen the most amount of rain since 1997 when 71.8 mm of rain was seen in the month.

Active western disturbance brings rain and thunderstorms to northwest India, including Delhi, with air quality in 'very poor' category.

The rains continued to lash the national capital on Saturday morning and reports of waterlogging have also come from the various parts of the city.

A more severe coldwave is likely to impact Himachal Pradesh on December 30 and 31, with isolated areas of Punjab, Haryana, Jammu & Kashmir, and Rajasthan also bracing for plunging temperatures.

Delhi air quality shifted from the 'severe' category to the 'poor' on Friday and has further improved to the moderate category due to continuous rains.

Delhi’s Air Quality Index (AQI) dropped to the “moderate” category, measuring 164 on Friday morning, a sharp decline from the hazardous 300+ levels recorded earlier this week.