The combination of high pollution levels and increased exposure to dust and chemical fumes during pre-Diwali cleaning poses significant health risks. People with asthma and COPD may experience worsened symptoms, while others could develop respiratory issues such as wheezing, chest tightness, or breathlessness. Fine particulate matter in the air can also lead to cardiovascular stress and inflammation. Vulnerable populations, including children, the elderly, and those with pre-existing conditions, are at heightened risk of adverse health effects.