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[Audio] Welcome to my YouTube channel. Welcome to my YouTube channel.

[Audio] Today our topic is PM2.5, PM10. Today our topic is PM2.5.

[Audio] Lets start. Lets start.

[Audio] Introduction: PM2.5 refers to particulate matter that has a diameter of 2.5 micrometers or smaller. It consists of tiny particles suspended in the air, including dust, soot, smoke, and various pollutants. These particles are often invisible to the naked eye..

[Audio] PM2.5 is hazardous to human health because of its small size. Due to their microscopic nature, these particles can easily penetrate deep into the respiratory system when inhaled. They can reach the lungs, enter the bloodstream, and possibly cause various health problems..

[Audio] Next is Effects on human health Here are some impacts of PM2.5 on health: Respiratory Issues: Exposure to PM2.5 can lead to respiratory symptoms such as coughing, wheezing, shortness of breath, and irritation of the nose and throat. It can exacerbate existing respiratory conditions like asthma, bronchitis, and chronic obstructive pulmonary disease (COPD). Cardiovascular Problems: PM2.5 can enter the bloodstream and cause cardiovascular issues. It has been linked to an increased risk of heart attacks, strokes, irregular heartbeats, and other heart-related problems..

[Audio] 3. Reduced Lung Function: Long-term exposure to PM2.5 can impair lung development in children and reduce lung function in adults. This can lead to long-lasting effects on respiratory health. 4. Increased Mortality: High levels of PM2.5 have been associated with an increased risk of premature death, particularly from respiratory and cardiovascular diseases. Aggravation of Health Conditions: PM2.5 can worsen existing health conditions, such as allergies, sinusitis, and autoimmune diseases..

[Audio] It's important to note that vulnerable populations, such as children, the elderly, and individuals with pre-existing respiratory or cardiovascular conditions, are more susceptible to the adverse effects of PM2.5 exposure..

[Audio] Next is How to reduce exposure to pm2.5 Reducing exposure to PM2.5 is crucial. This can be achieved by staying indoors in well-ventilated spaces, using air purifiers, wearing masks in areas with high pollution, and promoting clean energy sources and sustainable practices to reduce pollution levels..

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