Delhi's air quality stays in the 'very poor' category. The IMD issues a yellow alert, forecasting thunderstorms and rainfall to ease pollution levels.

Several parts of Delhi received light rain early in the morning on Friday adding to the winter chill in the national capital. On Friday, the India Meteorological Department said a western disturbance is likely to interact with lower-level easterly winds over the central parts of the country,

Despite the rainfall, Delhi's air quality index (AQI) improved slightly on Thursday but stayed in the "very poor" category at 340. According to the Central Pollution Control Board, Pusa recorded an AQI of 353, North Campus at 342, Mundka at a severe level of 413, Wazirpur at 392, IGI Airport (T3) at 340, Dwarka Sector-8 at 412, RK Puram at 410.

The Regional Meteorology Centre, New Delhi, predicted light to moderate rain, thunderstorms, and shallow to moderate fog in the national capital.

The AQI in all 36 monitoring stations listed under Centre's Sameer app was under 450 on Tuesday, while some were under 400 as well.

Light rain and dense fog in New Delhi brought pleasant weather, while reducing pollution levels. The city's air quality index remained in the 'very poor' category. IMD forecasts thunderstorms and further showers.