Residents in Sacramento and surrounding areas face health risks from PM2.5 particles, which can penetrate deep into the lungs and affect the heart and respiratory system. Vulnerable groups, such as individuals with asthma, allergies, or pre-existing respiratory conditions, are particularly at risk. Poor air quality can also lead to lingering smoke odors indoors and exacerbate allergy symptoms. Seasonal maintenance, such as duct cleaning, is essential to mitigate these risks and maintain indoor air quality.