East Coast wildfire smoke (IMAGE) DOE/Oak Ridge National Laboratory Caption Wildfire smoke from Canada blankets the East Coast, degrading surface-level air in heavily populated areas of the United States, on June 7, 2023. Credit NASA MODIS Usage Restrictions credit NASA License Original 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.