Flight Paths (IMAGE) University of Washington Caption This map of the northwestern states shows flight paths (gray lines) sampling during the Taylor Creek wildfire (blue). Red lines are places where flights collected air samples from inside smoke plumes. Credit Palm et al./PNAS Usage Restrictions With credit 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.