PM2.5 is a particulate matter that can enter the lungs and directly enter the lungs. If you stay in the case of exceeding the standard for a long time,
Great harm to human respiratory tract!
PM 10 contains PM2.5
Therefore, if PM 10 exceeds the standard, it is harmful to human body.
A survey by Pan Xiaochuan, a professor at Peking University School of Medicine, shows that if PM2.5 exceeds the standard, the emergency and mortality of cardiovascular system will increase by 6% to 7% and the emergency of hypertension will increase by 5% for every increase of10μ g/m3.