An Australian survey recently carried out guarantees that only 0.18% of the Earth does not have dangerous pollution in the air. This percentage ensures that most places are uninhabited, decreasing to 0.001% of the world's population that are safe from toxic particles.
The risks of pollution directly affect the respiratory system, affecting all lung function. It is noteworthy that this exposure also increases the likelihood of cardiorespiratory accidents, strokes (Cerebral Vascular Accident) and can lead to death.
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It is true that not all air pollution is visible to the eye. In New Delhi, in the capital of India, for example, pollution affects the visibility of the place. Even if vision is impeded or blurred, pollution is made up of trillions of particles that are not easily seen.
The PM2.5, which invades the air pollution, is composed of 2.5 microns in diameter and can only be seen with a microscope. Compared to a human hair, which is 50 to 70 microns in diameter, PM2.5 ensures that the best of eyes cannot see it.
Produced by chemicals and different components, most of the pollutant is in nitrates, minerals, sodium chloride, sulfates and ammonia. As experts indicate, most of these microns are in fires, power plants, large industries or in car exhaust pipes.
The WHO (World Health Organization) guarantees that exposure to PM2.5 must be limited to 5 micrograms per cubic meter. Worldwide, the limit at 0.001% of the world's population.
Therefore, there is a growing need to make the whole world aware of the risks of air pollution.
The countries with the most pollution are China, South Korea, North Korea, India, Egypt, Pakistan, Armenia It is Mauritania, ensuring that most of a year PM2.5 is above 15 cubic meters.
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