PM2.5 vayu pradushan ke bare mein 5 batein jo aapko pata honi chahiye
Shikshaprad khanda jo PM2.5 vayu pradushan uske srot swasthya par prabhav aur maapan ko samjhata hai. Pradushan se bachav ke karya jaise mask aur hawa shuddhikaran ki sallah deta hai aur yatra ke dauran asthma allergy ya hriday rog wale logon ke liye margdarshan pradan karta hai.
