noun
volcanic smoke; eruption smoke; smoke plume
Primarily used for smoke emitted during a volcanic eruption, but can also refer to smoke from other large-scale events like explosions or fires.
火山の噴煙が遠くからも見えた。
The volcanic smoke could be seen from far away.
噴煙が立ち上り、空が暗く
A smoke plume rose up and the sky darkened.