الوصف Air pollution is considered one of the serious environmental hazards that affect human health and cause an increase in mortality and morbidity worldwide. Most people living in cities are exposed to a high level of particulate matter in air polluted by smoke from vehicle exhaust, factory smoke, combustion of gasoline, oil, diesel fuel, and wood as well as dust emitted from construction sites, landfills, agriculture, forest fires, waste burning, and industrial sources. Particulate matter (PM) are tiny liquid or solid particles also known as aerosols suspended in the atmosphere. Generally, PM includes toxic chemicals. PM is small enough to be inhaled deeply, and exposure to high concentrations can result in serious health impacts, including premature death, nonfatal heart attacks, and adverse birth outcomes. Due to the smaller size, both PM2.5 and PM10 are capable of penetrating