Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
quran:44:10

Then watch for the Day when the sky will bring a visible smoke.  

God, exalted be He, says: So watch out for the day when the heaven will produce a visible smoke. Thus the earth became barren and famine became so severe that they began to see what looked like smoke rising between the heaven and the earth,
القرآن:٤٤:١٠

فَارْتَقِبْ يَوْمَ تَأْتِي السَّمَاءُ بِدُخَانٍ مُبِينٍ  

قال تعالى: {فارتقب يوم تأتي السماء بدخان مبين} فأجدبت الأرض واشتد بهم الجوع إلى أن رأوا من شدته كهيئة الدخان بين السماء والأرض.