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Air pollution affects all things. It is harmful to our health, and it impacts the environment by reducing visibility and blocking sunlight, causing acid rain, and harming forests, wildlife, and agriculture. Greenhouse gas pollution, the cause of climate change, affects the entire planet.
2024年7月29日 · From smog hanging over cities to smoke inside the home, air pollution poses a major threat to health and climate. Ambient (outdoor) air pollution in both cities and rural areas is causing fine particulate matter which result in strokes, heart diseases, lung cancer, acute and chronic respiratory diseases.
3 天前 · Air pollution, release into the atmosphere of various gases, finely divided solids, or finely dispersed liquid aerosols at rates that exceed the natural capacity of the environment to dissipate and dilute or absorb them. High concentrations can cause undesirable health, economic, or aesthetic effects.
PollutantCommon SourcesMaximum Acceptable Concentration In The ...Environmental Riskscarbon monoxide (CO)automobile emissions, fires, industrial ...35 ppm (1-hour period); 9 ppm (8-hour ...contributes to smog formationnitrogen oxides (NO and NO2)automobile emissions, electricity ...0.053 ppm (1-year period)damage to foliage; contributes to smog ...sulfur dioxide (SO2)electricity generation, fossil-fuel ...0.03 ppm (1-year period); 0.14 ppm ...major cause of haze; contributes to acid ...ozone (O3)nitrogen oxides (NOx) and volatile ...0.075 ppm (8-hour period)interferes with the ability of certain ...One of our era's greatest scourges is air pollution, on account not only of its impact on climate change but also its impact on public and individual health due to increasing morbidity and mortality. There are many pollutants that are major factors in disease in humans.
2024年6月25日 · In 2019, air pollution caused about 6.7 million deaths. Of these, almost 85% are attributable to noncommunicable diseases (NCDs), including ischemic heart disease, stroke, lung cancer, asthma, chronic obstructive pulmonary disease (COPD), and diabetes. This makes air pollution the second leading cause of NCDs globally after tobacco.
Air pollution – the combination of outdoor and indoor particulate matter and ozone – is a risk factor for many of the leading causes of death, including heart disease, stroke, lower respiratory infections, lung cancer, diabetes, and chronic obstructive pulmonary disease (COPD).
2020年6月3日 · The potential health effects of air pollution range from subtle physiological changes inside the body to florid symptoms such as nose and throat irritation, shortness of breath, coughing and chest tightness. People suffering from asthma or chronic respiratory diseases will experience an increase in symptoms when exposed to air pollutants.
