NASA: Smoke Smothers the Northeast

"Winds typically move smoke from fires in Quebec toward the east and out to sea. But in June 2023, a persistent coastal low centered near Prince Edward Island instead steered smoke south into the US"

NASA: 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…