The situation often gets worse because of stubble burning in Delhi's neighbouring states. Air quality in Delhi remained 'very poor' with an overall AQI of 363 whereas more areas of the national capital fell into 'severe' category.

The Supreme Court on Wednesday took Punjab, Haryana government to task over stubble burning leading to Delhi air pollution. On October 16, the Court summoned Chief Secretaries of the Punjab & Haryana governments after expressing severe disapproval over the lack of proper legal action against stubble burning in the state.

With Delhi's air quality entering the 'severe' zone with the Air Quality Index of 363, the Supreme Court on Wednesday rapped the came down heavily on the Punjab, Haryana and the Union government for not taking the air pollution and stubble burning issue seriously.

A new study reveals how stubble burning in Punjab and Haryana affects Delhi's air quality. Despite a decrease in farm fires, Delhi's AQI remains critically high, highlighting the need for comprehensive interventions and public awareness to tackle air pollution effectively.

Delhi Environment Minister Gopal Rai urged transport ministers of neighboring states to stop diesel buses from entering Delhi due to GRAP II restrictions. He highlighted vehicular emissions from such buses as a major factor in worsening air quality.

The air quality in Delhi has been declining, prompting the authorities to enforce these measures. The second stage of GRAP restrictions came into effect from 8 am.