What is PM2.5 fine dust?
Dust is a mixture of solid or liquid compounds suspended in the air, collectively known as Particulate Matter (PM). PM2.5 refers to fine dust particles with a diameter of 2.5 microns or less, which is about 30 times smaller than a human hair.
Causes of PM2.5 dust
PM2.5 dust in the air can originate from natural causes such as wildfires, natural dust from deserts and volcanic eruptions, and seasonal changes. It can also come from man-made causes such as transportation, daily life activities, industrial production, garbage, construction, and agriculture.
Harmful effects of PM2.5 dust
PM2.5 dust can cause skin allergies, rhinitis, eye pain, and ear, nose, and throat diseases. It can also weaken the immune system, damage the lungs, accelerate cardiovascular disease, affect brain health, and even lead to genetic modification and cancer.
Ways to prevent PM2.5 dust
To protect ourselves from PM2.5 dust, we can use specialized masks when going out, particularly those that filter out fine dust particles. Indoor air purifiers can also help filter out dust from the air. It is important to maintain healthy living habits, such as cleaning the nose and throat regularly, eating healthy, exercising, and avoiding smoky environments. Additionally, limiting exposure to polluted air by avoiding opening windows or going outside on highly polluted days can also be beneficial.
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