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What is PM10 and how is PM10 monitored?

Update: 2020-08-18 14:50 Source: LUFTMY Reading: ↻ News
 

When people pay attention to air quality, they tend to focus on PM2.5 particles. Many people think that PM2.5 is the main pollutant and ignore the existence of PM10.However, in air quality monitoring, PM10 particle concentration is also a key monitoring data. What is PM10 and how to monitor PM10?

What is PM10 and how is PM10 monitored?

What is PM10

So let's first understand what IS PM10?PM10 is also inhalable particulate matter, mainly particles with particle size below 10 microns, also known as inhalable particulate matter or dust.Studies have shown that PM10 is mainly derived from soil, accounting for about 21% of the total source, and it has obvious seasonal and regional variations. For example, soil sources are more in spring, while the proportion of motor vehicle fuel emissions and coal burning pollution is higher in winter.

What's the difference between PM10 and PM2.5

So what are the differences between PM10 and PM2.5?The so-called PM10 is in fact the diameter of less than or equal to 10 microns particulate matter, PM2.5 is in the final analysis PM10 is a kind of, just because PM2.5 has greater harm to the human body, it was singled out for analysis, research and control, governance.PM2.5 mostly comes from fuel combustion and secondary particle formation, so the particle size is small.However, PM10 mostly comes from road dust, so the particles are relatively large in size, easy to settle in the air, and the spread distance is relatively close, and it is easy to be intercepted by upper airway mucosa and cilia.

Still, PM10 is powerful and, like PM2.5, can contain more harmful elements.Therefore, both indoor and outdoor air quality monitoring can no longer only monitor individual PM2.5 values.

As the current urban air pollution is still dominated by dust pollution, PM2.5 and PM10 as an important component, timely monitoring, prevention and control, can be said to be of no delay.For PM10 monitoring, LUFTMY recommends the laser dust sensor module, which is small in size and high in accuracy. Mie spherical particle scattering principle is adopted to realize real-time measurement in the monitoring equipment.

LD12 Laser PM2.5 Dust Sensor Model
LD12 Laser Dust Sensor Model

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