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

User Patryk
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15 votes
15 votes
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 Tamecka
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2.7k points
13 votes
13 votes
Particles in the PM 2.5 size range are able to travel deeply into the respiratory tract
User JeremyDouglass
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