Although the part of our bodies most affected by air pollution is the respiratory system, the circulatory system can also be affected. Exposure to unhealthy levels of air pollutants can result in low oxygen levels in red blood cells, abnormal heart rhythms, and increased risks of blood clots and narrowing of blood vessels. These effects can lead to worsening of heart diseases such as heart failure and increased risks of heart attacks or strokes. The Pollutants Chart: Sources and Effects of Air Pollutants summarize the sources and health effects of criteria air pollutants. When we inhale particle pollution (dust, soot, dirt,.
