On the short 3D animation below we can see what are the actual sizes for the PM2.5 and PM10 particles in comparison with a pin, a human hair and a sea salt grain. Pay attention on how tiny is the PM2.5 particle. Now, imagine these particles penetrating deep inside your lungs and the damage they can cause.
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Very Cool Graphic!! I also like that is shows the difference between PM 2.5 and PM 10.
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If a picture is worth a thousand words, a video is worth a hundred thousand. Excellent illustration.
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