Surah Ad-Dukhan — Ayah 10 (44:10)
فَٱرۡتَقِبۡ يَوۡمَ تَأۡتِي ٱلسَّمَآءُ بِدُخَانٖ مُّبِينٖ ١٠
English translation (Saheeh International)
Then watch for the Day when the sky will bring a visible smoke
Brief commentary
So O Messenger! Wait for their punishment that will come soon: a day when the sky is clearly filled with smoke.