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Air pollution can occur naturally or be caused by human activities. [3] Air pollution causes around 7 million deaths each year. [4] [5] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.
Various definitions of pollution exist, which may or may not recognize certain types, such as noise pollution or greenhouse gases.The United States Environmental Protection Administration defines pollution as "Any substances in water, soil, or air that degrade the natural quality of the environment, offend the senses of sight, taste, or smell, or cause a health hazard.
People of lower socioeconomic status may more frequently have poor health, thus the effects of air pollution can incur additional health risks and shorter lifespans on this population. [ 70 ] In the United States, racial and ethnic minorities, defined as people of color who represent a small portion of the overall population, are ...
The number of people living with levels of air pollution that can significantly affect their health climbed from about 119 million in last year’s data to 131 million in the current data ...
Air pollution can be a high risk for certain groups, including children under 18, adults over 65, people with chronic heart or lung disease, pregnant women and people with diabetes, according to ...
The score for each pollutant is non-linear, as is the final AQI score. Thus an AQI of 300 does not mean twice the pollution of AQI at 150, nor does it mean the air is twice as harmful. The concentration of a pollutant when its IAQI is 100 does not equal twice its concentration when its IAQI is 50, nor does it mean the pollutant is twice as harmful.
Air pollution in some of the world’s biggest cities has dropped precipitously as people across the globe stay indoors and remain home from work due to the coronavirus pandemic, according to new ...
The international pictogram for environmental hazards.. Environmental hazards are those hazards that affect biomes or ecosystems. [1] Well known examples include oil spills, water pollution, slash and burn deforestation, air pollution, ground fissures, [2] and build-up of atmospheric carbon dioxide. [3]