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What is PM 2.5 and how does it affect people?​
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What is PM 2.5 and how does it affect people?​

User Jayavel
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Fine particles (PM2.5) pose the greatest health risk. These fine particles can get deep into lungs and some may even get into the bloodstream. Exposure to these particles can affect a person's lungs and heart.
User Tarek Abo ELkheir
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4 votes
Particles in the PM 2.5 size range are able to travel deeply into the respiratory tract
User Venelin
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5.4k points
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