The national capital remained under a yellow alert for rain and thunderstorms at isolated places on Tuesday morning even as it recorded its first "warm night" conditions of the year, with minimum temperatures rising sharply above normal levels.
According to the weather data, minimum temperatures at several stations were recorded between 4.6 and 5.4 degrees above normal at multiple stations, meeting the criteria for warm night conditions.
Station-wise data showed Safdarjung recording a minimum temperature of 28.4 degrees Celsius, 4.6 degrees above normal, while Palam logged 27.4 degrees Celsius, 2.5 notches above normal.
Lodi Road recorded 26.6 degrees Celsius, 3.6 degrees above normal, Ridge reported 26.2 degrees Celsius, 1.3 degrees above normal, and Ayanagar registered 29.1 degrees, 5.4 degrees above normal.
Warm night conditions are declared when the maximum temperature is 40 degrees Celsius or above and the minimum temperature remains 4.5 to 6.4 degrees above normal, the India Meteorological Department said.
The maximum temperature on Tuesday is likely to hover between 39 and 40 degrees Celsius, with a forecast of thunderstorms and rain due to an ongoing cyclonic circulation, weather experts said.
Meanwhile, Delhi's air quality remained in the "moderate" category, with the Air Quality Index (AQI) recorded at 196.
As per the Central Pollution Control Board (CPCB), an AQI of 0-50 is considered "good", 51-100 "satisfactory", 101-200 "moderate", 201-300 "poor", 301-400 "very poor", and 401-500 "severe".