If you want to reduce the concentration of PM2.5, need at least 15 years in a stable environment.
The World Health Organization issued a report says PM2.5 is regarded as the main environmental carcinogens, it's dangerous degree has the same level with tobacco.
So we need PM2.5 detector to measure the concentration of PM2.5 in the air quickly and accurately.
PM2.5 detector can monitore the atmospheric pollution of the environment in real time and identify the main pollution sources effectively.

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