Facebook Smoke Animation (IMAGE) Colorado State University Caption An animation illustrates Facebook users posting about wildfire smoke (indicated by red, yellow and orange). These posts are compared with standard satellite measurements of smoke in the atmosphere, and surface measurements of particles (colored circles), during August 2015. Credit Bonne Ford/Colorado State University 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.