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Preventing the PM2.5 : How to choose a mask?

The PM2.5 will go on a rampage in Japan until May. To prevent them with a mask, you need to choose right one and get to know the right way of putting them on.

The masks can be categorized in 3 types : house use masks , surgical masks and dust masks. The surgical masks and dust masks are effective one.

Especially among them, N95 masks and DS2 masks are effective because they cut off 95% of 0.3μm particle in the air.

How to put a mask on : just make sure you don't make space between your face and mask! There is inside and outside : inside is with the elastic bands Adjust its wire to fit the shape of your nose. Pull the pleats down to your jaw and cover it. Cover the mask with your hands and breathe out. Adjust the wire and make sure there’s no space between face and mask and the breath don’t comes and out.

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