Rising Pollution, Escalating Stress (IMAGE) University of Washington Caption This graph shows that as the amount of fine particulate matter in the air increases, so do levels of psychological distress. Credit Victoria Sass, University of Washington Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.