Air quality control with best air particle counter

Air particle counter can check the fine particulate matters under 0.3μm and 2.5μm.
It can also check the particulates weight PM2.5 and PM10.
Since the air pollution is very bad in recent years.  we need to pay attention on our health.
The particulates can go inside human body health. bad to lung.
With the particle counter we can easy know the air quality around us.