PM2.5 means fine particulate, with another name of fine particle. can cleaned by air cleaner.
Means the micron particles which the environment in the air dynamics equivalent diameter less than or equal to 2.5.
It can be suspended in the air for a long time, the higher its concentration in the air content, means, the more serious air pollution.
Use the air purifier to clean the air let the human health and atmospheric environment in a good quality.
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