Natural disasters such as earthquakes, floods, and volcanic eruptions do not directly contribute to air pollution.

Particulate matter, especially fine particles (PM2.5), can penetrate deep into the lungs and cause inflammation and respiratory problems.

Dyspnea is the medical term for shortness of breath or difficulty breathing.

Asthma is a chronic respiratory disease that causes inflammation and narrowing of the airways, leading to wheezing, coughing, and shortness of breath.

Volatile organic compounds (VOCs) are emitted from various sources, including vehicles, industries, and household products, and have been linked to an increased risk of lung cancer.

Air purification refers to the process of removing contaminants and pollutants from the air, often using filters or other technologies.

Burning wood or coal for heating releases harmful pollutants into the air, contributing to air pollution.

Emphysema is a chronic lung disease that causes damage to the air sacs in the lungs, leading to reduced lung function and shortness of breath.

Sulfur dioxide (SO2) is a major contributor to acid rain, which forms when SO2 reacts with water vapor in the atmosphere.

Ventilation refers to the process of exchanging air between the lungs and the atmosphere, allowing for the intake of oxygen and the release of carbon dioxide.

Pulmonary fibrosis is a chronic lung disease characterized by the formation of scar tissue in the lungs, leading to reduced lung function and shortness of breath.

Bronchitis is a respiratory disease characterized by inflammation and excess mucus production in the bronchial tubes.

Ozone (O3) is a major component of smog, which is a type of air pollution characterized by a hazy appearance and reduced visibility.

Pulmonary edema is a condition characterized by the accumulation of fluid in the lungs, leading to shortness of breath and difficulty breathing.

Lung cancer is a malignant disease characterized by the uncontrolled growth of abnormal cells in the lungs.