What kind of disease can caused by PM2.5 pollution

PM2.5 can go inside human body with breath. Use the particle counter can check the result,
It can accumulate in the respiratory system, causing many diseases.
Exposure to coarse particles can damage the respiratory system, induced asthma.
PM2.5 may cause heart disease, lung disease, respiratory disease, reduce lung function, etc.
The handheld particle counter help us far away from disease.