Surah Ad-Dukhan (The Smoke), Verse 10

فَارْتَقِبْ یَوْمَ تَاْتِی السَّمَآءُ بِدُخَانٍ مُّبِیْنٍ ۟

Fartaqib Yawma ta'tis samaaa'u bi dukhaanin mubeen

“Then watch thou for the Day that the sky will bring forth a kind of smoke (or mist) plainly visible,”

Quran 44:10 (Yusuf Ali Translation)