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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:53:50 –

And that He destroyed the first ˹people of˺ 'Aad  

and that He destroyed former ‘Ād (‘Ādan al-ūlā: a variant reading elides the nunation with the ˹following˺ lām ˹sc. ‘Āda’l-ūlā˺; this ˹former one˺ refers to the people of ‘Ād, while the second ˹‘Ād˺ is that of the people of Sālih)
القرآن:٥٣:٥٠ –

وَأَنَّهُ أَهْلَكَ عَادًا الْأُولَىٰ  

{وأنه أهلك عادا الأولى} وفي قراءة بإدغام التنوين في اللام وضمها بلا همزة وهي قوم عاد والأخرى قوم صالح.