NASA Earth Observatory: Smoke Smothers the Northeast

Wildfire smoke from Canada has passed over the northeastern U.S. multiple times each summer in recent years, but it often goes unnoticed because it is relatively high in the atmosphere. That was not the case in June 2023. In the first week of the month, large amounts of smoke from fires in Quebec poured south into the eastern U.S. and degraded the quality of surface-level air that tens of millions of people breathe. more...