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Nov 27, 2015 · 3) Exactly how bad is PM2.5 in China? According to reports released by the World Bank and the Chinese government, China is one of the countries with the highest levels of PM2.5 in the world. 16 of the world’s 20 cities with the highest air pollution are in China. A fifth of Chinese people in urban areas breathes air that’s heavily polluted.

Feel tired with the pollution: Get a mask!

And if you forgot to take One, you can also get this mask from any convenience store in China (like 7-Eleven). The "N95" label stands for the mask ability to filter out at least 95% of airborne particles larger than 0.3 microns (for reference, PM 2.5 particles are 2.5 microns).

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Jan 28, 2020 · So whether you are wearing a mask or not (even just regular surgical masks), any type of face masks in my opinion should at least help prevent some. Most of what I have read so far also appear to be saying that N95 masks should be fine for this Coronavirus virus.

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Amounts shown in italicized text are for items listed in currency other than Canadian dollars and are approximate conversions to Canadian dollars based upon Bloomberg's conversion rates.

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Feb 28, 2014 · Wearing simple cotton masks or those that don’t fully seal against the face could actually be dangerous because it leads to a false sense of security and even more time outdoors, he says.

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Extremely High Levels of PM2.5: Steps to Reduce Your Exposure. The U.S. AQI does not include recommendations for PM2.5 levels above 500, but levels are sometimes worse (“beyond index”). What should I do? Pollution is hazardous at these levels. Everyone should take steps to reduce their exposure when particle pollution levels are in this range.

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Fine Particles (PM 2.5) Questions and Answers. Fine particulate matter (PM 2.5) is an air pollutant that is a concern for people's health when levels in air are high.PM 2.5 are tiny particles in the air that reduce visibility and cause the air to appear hazy when levels are elevated. Outdoor PM 2.5 levels are most likely to be elevated on days with little or no wind or air mixing.

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