The air quality in Delhi's Anand Vihar, Bawana, Jahangirpuri and Vivek Vihar was recorded in the 'severe' category on Wednesday. On Tuesday, the AQI was 'severe' only in Anand Vihar.

New Delhi's air quality deteriorated to 'very poor' with an overall AQI of 363, while areas like Jahangirpuri and Vivek Vihar entered the 'severe' category. The city is under stage two of GRAP, with potential school closures if pollution worsens.

The city was covered in a thick layer of smog by 9 a.m., with almost all weather monitoring stations falling into the red zone

Toxic foam was also seen floating in the Yamuna River at Kalindi Kunj as pollution levels continued to rise. A similar foam was spotted in the river in the past few days, highlighting rising pollution.

Amid deteriorating air quality, 36% of the families in Delhi-NCR have one or more members experiencing pollution-related ailments like sore throat, cough, and breathing difficulty, a survey revealed

In some areas of the national capital, the air quality dropped to the severe category, with an AQI in the range of 400.

A thick layer of fog was seen in Anand Vihar, Kalkaji, Nehru Place, and Akshardham Temple localities among other places in the national capital, as the city's air quality dropped to 385 at 8 am today.

Delhi's air quality worsens, with AQI at 385, prompting implementation of GRAP-II to combat pollution effectively.

Delhi's air quality is expected to deteriorate further, with the AQI likely to exceed 400 and fall into the 'severe' category on Tuesday and Wednesday, due to stubble burning in neighbouring states and unfavourable wind conditions.

The second stage of the Graded Response Action Plan has been implemented in the national capital, banning the use of coal and firewood.