references
  
      PLOS Medicine: "Particulate matter air pollution and national and county life expectancy loss in the USA: A spatiotemporal analysis."
    
      Journal of the American Heart Association: "Effects of Leisure‐Time and Transport‐Related Physical Activities on the Risk of Incident and Recurrent Myocardial Infarction and Interaction With Traffic‐Related Air Pollution: A Cohort Study"
    




Seek out parks and wooded trails when running outdoors, since the trees can help filter out air pollution.

Image Credit: RgStudio/E+/GettyImages

Image Credit: RgStudio/E+/GettyImages

      PLOS Medicine: "Particulate matter air pollution and national and county life expectancy loss in the USA: A spatiotemporal analysis."
    
      Journal of the American Heart Association: "Effects of Leisure‐Time and Transport‐Related Physical Activities on the Risk of Incident and Recurrent Myocardial Infarction and Interaction With Traffic‐Related Air Pollution: A Cohort Study"