What is particulate pollution?
According to an American Lung Association report, particulate pollution refers to the mix of solid and liquid particles in the air that can come from natural sources, such as dust storms or wildfires, or from such human activity as the burning of fossil fuels in factories or the use of diesel engines. Other particulates are produced when certain chemicals and substances react with one another in the atmosphere. What is the danger to my heart and lungs? The effect of low levels of particulate pollution found in many urban areas is not unlike secondhand smoke, experts say. Studies show that short-term adverse effects from particulates include diminished lung function, coughing, wheezing, cardiac arrhythmias, and heart attacks. Long-term exposure can also worsen asthma, slow normal lung growth, damage lung airways, and increase the risk of dying from lung cancer and cardiovascular disease. How big is the risk to me? Certain populations, such as the very old and the very young, are the mos