What is notable pollutant?

A notable pollutant is particulate matter (PM), which consists of tiny solid or liquid particles suspended in the air. PM can originate from various sources, including vehicle emissions, industrial processes, and natural events like wildfires. It poses significant health risks, contributing to respiratory and cardiovascular diseases, and can also affect the environment by degrading air quality and harming ecosystems. Efforts to reduce PM emissions are crucial for public health and environmental protection.