The hazardous AQI level of 597 in New Delhi poses serious health risks, particularly for vulnerable groups such as children, the elderly, and individuals with pre-existing respiratory or cardiovascular conditions. Exposure to such high pollution levels can cause irritation in the nose and throat, coughing, wheezing, chest tightness, and breathlessness. It may also trigger severe asthma attacks, worsen chronic obstructive pulmonary disease, and increase the risk of heart attacks, irregular heartbeats, and heart failure. Prolonged exposure can lead to headaches, dizziness, and extreme fatigue.