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Hanoi, Vietnam – everyone prefer breathing of fresh air. Unfortunately, often our air is nothing but new.
While the quality of the air is dramatically varied from place and day by day, the agency has reported in the air at a point that almost 99 percent of the global population is almost the entire world – not to meet the strict standards of the World Health Organization.
The small, invisible particles that bury Laden harmful gases or human bodies, kill 7 million people every year, the UN. Rating the Health Institute.
Millions of people living in some famous cities in the world -many of them in Asia like New Delhi; Dhaka, Bangladesh; Bad air may appear to be inevitable.
But starting in the understanding that people do things that people can do and not only polluting when smoking, Dhanushri Ganguly, India’s Energy Policy Company, said.
“The blue sky cannot confirm you clean air,” he said.
What are the most dangerous air pollutants and their sources?
Fuels such as coal, natural gas, diesel and gasoline for electricity and transportation: Air pollutions are often coming from people burning fuels; Crops or trees for agricultural purposes or as a result of wildfire.
The elegant, entered particles called the particle material are very dangerous. The best of these are PM 2.5 because they are less than 2.5 microns diameter -the human lungs are deeply accustomed to burning the fuels. According to the WHO that coarse particles called BM10 are linked to agriculture, roads, mining or wind blowing dust.
Other dangerous pollutants include gases such as nitrogen dioxide or sulfur dioxide, which are manufactured from fuels, said the air pollution specialist at the Science and Environment Center in New Delhi.
The evidence and severity of air pollution vary in different cities and seasons. For example, old motorcycles and industrial boilers are the main contributors to the worst winds in the Indonesian capital, Jakarta, while burning agricultural waste is one of the main reasons for air pollution in cities in Thailand and India. Brick kilns that burn coal are polluted in Dhaka, the capital of Bangladesh. And the seasonal wildfire causes problems in Brazil and North America.
What health problems can air pollution?
According to the company’s latest report, air pollution is the second major risk factor for early death worldwide, behind hypertension.
Short -term exposure can trigger asthma attacks and increase the risk of heart attacks and stroke, especially in people with older people or medical problems. Chronic exposure can cause severe heart and lung problems that can lead to death, including heart disease, chronic prevention, and lung infections.
The UN In the latest analysis of the children’s agency, more than 500 million children in East Asia and Pacific are breathing unhealthy air, and pollution is linked to the deaths of 100 children under the age of 5 every day. Jun Gunuki, the UNICEF regional director of East Asia, said that polluted air growth is harmful to the lungs and affects their cognitive abilities.
“Every breath is important, but every breath is harmful to many children,” he said.
What is the best way to say that the air is safe?
Over 6,000 cities in 117 countries are now monitoring the quality of the air, and many weather mobile applications contain air quality information. But trying to find out how bad the wind is by looking at these numbers can be confusing.
To help people easily understand the quality of the wind, many countries have adopted air quality code or AQI – this is the number of large numbers that represent the worse air. They often assign different colors to show whether the air is clean.
But in different countries there are different air standards. For example, India’s daily BM 2.5 limit is 1.5 times higher than Thailand and 4 times higher than WHO standards.
This means that countries calculate AQIs differently and the numbers cannot be compared to each other. This is why sometimes the AQI marks of private companies using strict standards may be different from what is calculated by national regulators.
What are the best ways to protect you from air pollution?
Of course, when the quality of the air is bad, the goal is to control the expression by staying inside or wearing a mask.
However, it is not always possible to be inside, especially for those who need to live or work outside, Danny Jarum, a airport researcher, the environmental lawyer group, the World Resources Company. “They can’t really go out,” he said.
Pangapol Asavagomolnant, an office worker in Bangkok, said he wears a mask every day and avoid working on a motorcycle. “When I get to work in the morning I get sore throat. I forget to wear a mask,” he said.
People need to be aware of indoor air pollution, which can often be caused by common household measures such as cooking or burning the incense stick.
What are the advantages and limits of air refiners?
Air cleansers can help reduce internal air pollution, but their limits. They work by pulling the air from a room, and pushing it through a filter that is polluted before turning it back.
Image Better: AP/Tatan Syuflana
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