Understanding the Air Quality Index: Mechanisms, Health Implications, and Environmental Significance

Understanding the Air Quality Index: Mechanisms, Health Implications, and Environmental Significance The Air Quality Index (AQI) is a standardized numerical scale used to communicate how clean or polluted the air is at a given moment. Its primary purpose is to provide an accessible interpretation of complex atmospheric measurements in a form that relates directly to human health. Developed initially for public health protection, it has evolved into an essential tool for urban planning, environme...