Beijing pollution indexYou can use this small software to view the status of Beijing's fine... | |
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Beijing pollution index Ranking & Summary
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Beijing pollution index Description
You can use this small software to view the status of Beijing's fine particles(Pm2.5).Particles less than 2.5 micrometers in diameter are called "fine" particles. These particles are so small they can be detected only with an electron microscope. Sources of fine particles include all types of combustion.
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