Water pollution, we can see, the solid waste pollution, we touch.
As the heart of the new building are springing up, our working and living environment has become increasingly better. But have you ever thought that maybe you were not clean indoor air surrounded by?Currently developing countries to nearly 2 million cases of excess death may be caused by indoor air pollution, global about 4 per cent of disease and indoor environment.
Indoor air pollution has become a human invisible killer, the harsh truth in China is often easy to overlook some of the people, according to the statistics, every year from indoor air pollution caused by excess deaths 11.1 million, exceeding the number 22 000 outpatients, excess emergency number 430 000. Currently, the main sources of indoor environment of construction, decoration and furniture, therefore, we should start with decoration design, decoration and building materials to the attention of the selection, and check-in before through indoor air detection, treatment, and other measures to reduce pollution.Awareness of the seriousness of the outdoor environment pollution and harm to have a profound understanding of the situation of indoor air pollution are not widely understood that indoor air is better than outdoor air.
In fact, due to our city for living rooms, offices of building materials, furniture and decoration materials mostly contains excess (some are serious exceed), formaldehyde, benzene, ammonia, radon, chlorinated hydrocarbons and other extremely harmful to human health, the gradual release of organic and inorganic pollutants, could not be promptly released into the outdoor or indoor decomposition, concentration increases, resulting in indoor air quality degradation, pollution, the deterioration in the physical and mental health of the people of hazards, are greatly exceeded the outdoor air pollution. Environmental experts also pointed out that the newly renovated room, Office, indoor air pollution more widespread and serious pollution degree is usually outdoors 5-10 times, and some even up to 100 times. According to the survey, at present, China's nearly 4 million people suffering from various degrees of asthma and allergic rhinitis, poor indoor air quality is one of the main reasons. According to another of a recent report by air pollution in China leads to human disease medical cost estimates for 171 billion, while the majority of the inhabitants of cities with more than 80 percent of time spent indoors, evidently, at present, China's indoor air pollution is a serious situation, its harm should not be overlooked.At present the effects on human health is the largest indoor air pollutants can be broadly divided into three categories:
(1) biological pollutants
Volume of tiny but spread wide, fast, easily lead to sneeze, eye irritation, coughing, shortness of breath and other allergic reactions.
Bacteria and viruses: extremely easy in climate humid, warm region air spreads, breeding, long-term exposure to easy to trigger allergies, asthma.
Spore: extremely easy in climate humid, warm region air spreads, breeding, long-term exposure to easy to trigger allergies, asthma.
Dust, dust mites, dust the respiratory discomfort is a hotbed of dust mite and fungi.
Dust mite is body positive small insects, constant growth in the mattress, sheets and upholstered furniture or suspended in the air and increase asthma attack opportunities.Pollen: outdoors and even flowers in the vase will produce pollen that allergies are caused by respiratory tract after inhalation, eye and skin irritation of the obvious.
Pet and human dander of hair,: very small, very easy to enter the human respiratory system, no dust mites and fungi provide favourable conditions for reproduction.
(2) chemical pollutants
From cigarettes, decoration engineering, cleaning supplies and furniture, long time exposure will stimulate the skin, neurological and respiratory tract, bring health risks.
Secondhand smoke: the United States Environmental Protection Agency and Department of the International Agency for research on cancer is determined to be A human carcinogen, category contains carbon monoxide, formaldehyde and other hundreds of toxic and carcinogenic substances, on the lungs is still in the developmental stages of the harm the child.
Formaldehyde: from domestic version of splints, repression and the floor, were classified as harmful carcinogens.
High concentrations of formaldehyde may irritate eyes, nose and respiratory systems, cause asthma flare-up.Benzene: stupid, xylene, etc., some of the compounds are who identified as a carcinogen.
Mainly come from a variety of building materials, organic solvents, such as paint, coating additives and wallpaper, carpets, synthetic fibers, etc. Long-term exposure can cause chronic poisoning, neurasthenia and blood system, the symptom. Severe cases can occur of aplastic anemia, or leukemia, Internet.Radon: from the soil, rock, and granite.
Radon is a colorless, tasteless, more difficult to detect, radon decay products will accumulate in the lungs, is caused by lung disease II, its ranking second only to smoking.(3) odor
From pet, cooking, garbage and the human body, etc, the unusual smell was DMCA, also affect household and neighborhood environment.
Living in this environment, we can do for their own health concerns? how can we live healthy, live with confidence?
(Editors: Luo Li-ping)
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