Korea is now a fine dust warning.
It is dust with very small particle size. It is divided into fine dust (diameter less than 10㎛) and ultrafine dust (diameter less than 2.5㎛) according to the diameter of dust.
Because fine dust is small, it accumulates in the lungs, but it enters the blood through the pesos and can cause a variety of complex diseases.
So the author is creating a system to monitor in the cloud for measuring fine dust.
More information can be found in the author’s blog.