Poor indoor air quality can lead to various bad health effects. Exposure to indoor air pollutants like mold, dust mites, pet dander, and volatile organic compounds (VOCs) can cause respiratory issues, allergies, and asthma symptoms. High levels of indoor air pollutants can lead to headaches, dizziness, fatigue, and irritation of the eyes, nose, and throat. Long-term exposure to poor indoor air quality may result in chronic respiratory diseases, heart disease, and other health problems. Improving indoor air quality through proper ventilation and air purification can help mitigate these health risks.