سموگ کی شدت بتانے والا ائیر کوالٹی انڈکیس (اے کیو آئی) کیسے کام کرتا ہے؟
What is air quality index and how to measure air pollution - Aaj News
مزید خبریں
Bannu: 7 policemen abducted from outpost rescued - Breaking - Aaj News
PM Shehbaz Sharif’s Speech at Apex Committee - Aaj News
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Modi government continues to play with sports - Aaj News
Winter power package, discount on 200 units - Aaj News
Schools to reopen with SOPs from tomorrow - Aaj News
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