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Indoor Air Quality

Indoor Air Quality

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Poor air quality can cause negative effects towards your health such as allergies, respiratory illnesses, and skin problems. Considering that we spend more than 90% of our time indoors, it’s important that indoor air is clean and pollutant-free to protect our health and wellbeing.

Indoor air quality statistics

According to the EPA, indoor air pollution is among the top 5 environmental risks to public health. In fact, indoor air quality can be up to 5 times worse than outdoor air quality!

Effects of indoor air pollutants towards your health may range from symptoms such as eye and throat irritation, to respiratory diseases that may arise from long term exposure to indoor pollution.

What is in indoor air

Indoor air could harbour a range of pollutants unseen to the naked eye. Airborne particles such as diesel exhaust, carbon, dust, smoke, fibres, and pollen easily enter the home through opened doors and windows.

Cooking odours, pet odours, chemicals, sink or drain smells contribute to an unhealthy variety of unpleasant and toxic household odours and gases.

Around the home, furniture, office equipment, cleaning supplies, paint, glue and varnishes are just some of the unhealthy Volatile Organic Compounds (VOCs) that are harmful to our long term health.

Not to mention, there could be a range of microorganisms such as bacteria, mould, and viruses, floating around our home!

Sources of indoor air pollutants

You may think your home air quality is perfectly fine, but these pollutants are well hidden from the naked eye. Some don’t emit a distinct smell or show obvious physical signs, so you barely notice them around your home.

However, the sources of these indoor air pollutants are everywhere in our home. Pollutants such as mould and mildew could be lingering in our bathroom and laundry room. We could also be exposed to Volatile Organic Compounds (VOCs) from paint, varnishes, upholstery, furnishing and carpets.

That’s why having an air purifier is so important at home. Air purifiers help to clean the air of unwanted pollutants. They are especially useful for those suffering from asthma or allergies.

Air purifier benefits

Air purifiers are appliances that filter out pollutants such as dust, pollen, viruses, bacteria, and odours from indoor air. With the help of air purifiers, we can improve indoor air quality and protect the health of ourselves and our families.Cleaner air provides long term benefits by reducing respiratory diseases and airborne infections caused by indoor air pollutants. Moreover, air purifiers also help to improve air circulation and eliminate mould spore buildup.Indoor air pollutants are harmful to long term health, so consider investing in an air purifier to improve indoor air quality at home.

Browse our range of air purifiers online or contact us if you would like personalised assistance.

Olansi Healthcare Industry portable air purifier is willing to work with more families to further study and manage family indoor issues and contribute to more family health.If you are interested in this, please contact us for more products and preferential prices
Helen:
+86 13922346046
info@olansiglobal.com
https://www.olansiglobal.com

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Indoor air pollution, injury and cancer!

Indoor air pollution, injury and cancer!

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In recent years, air pollution is serious, and the outside is often thick smog. The air quality monitoring webpage shows a red pass, and even a purple explosion! In the face of outdoor air pollution, you may choose to hide indoors and try to go out as little as possible. However, the indoor air actually has a variety of pollution, so don’t take it lightly. Let us look at the main sources of indoor air pollution.

Closed doors and windows can not stop PM2.5!

The first source of pollution is air pollution from the outside, with familiar particulate matter (PM). The suspended particles are measured in micrometers (μm), the suspended particles with a diameter of less than or equal to 10 microns are called PM10, and the suspended particles with a diameter of less than or equal to 2.5 microns are called PM2.5.

Why is this different? Because the damage of suspended particles to the human body varies according to their size. Our nasal filtration limit is about 30 microns, which can block hair and fine sand. The bronchial filtration limit is about 10 microns, which blocks pollen and mold. The limit of alveolar filtration is about 2.5 microns. PM2.5 is very small in size and can pass through the alveoli, directly into the blood circulation, which affects the whole body and causes a variety of injuries.

PM2.5 can adsorb harmful substances such as lead, cadmium, arsenic and manganese, which is very harmful to children. Because the proportion of children’s breathing and body weight is higher than that of adults, the time spent indoors is long. If there is too much indoor PM2.5, Children’s learning and language memory decline, it is difficult to concentrate, red eyes, dry itching, easy to have allergic conjunctivitis. The skin condition is worse and it is easy to redden and itchy. When the mucus of the respiratory tract increases, the bronchi will induce asthma. More than 50% of young children who die from pneumonia are associated with indoor air pollution.

The effect of PM2.5 on adults is also very comprehensive. In the respiratory system, it can cause asthma, lung cancer, and chronic lung obstruction. In the cardiovascular system, it is easy to cause angina, myocardial infarction, and arrhythmia. PM2.5 will increase our metabolism, gain weight and gain diabetes. PM2.5 also harms the brain, and it is easier to get diseases such as stroke, dementia, and neurodegeneration. The researchers found that for every 5 μg/m3 increase in PM2.5 exposure per year, the risk of death increased by 7%. Even in the case where the PM2.5 is lower than 25 μg/m 3 , there is such a correlation.

According to the World Health Organization, about 4.3 million deaths each year are related to indoor air pollution. Common causes of death include stroke (34%), ischemic heart disease (26%), chronic lung obstruction (22%), and pneumonia (12). %), lung cancer (6%).

The most troublesome thing is that the diameter of PM2.5 is much smaller than the gap between doors and windows. Even if the doors and windows are closed, the floating particles are completely open to the suspended particles. Stay indoors, still subject to the high concentration of PM2.5 outdoors!

Burning gas and candles inside will pollute the air.

The second source of indoor air pollution comes from indoor combustion. We cook in the house and warm in the winter. We need to burn gas stoves, stoves and other equipment. In the combustion process, carbon dioxide, nitrogen monoxide, nitrogen dioxide, sulfur dioxide, formaldehyde and the like are generated. If ventilation is poor, it may cause dizziness and headache.

Exhaust gases from steam locomotives often contain nitrogen dioxide (NO2), which enters the room through open windows. If the garage at home is next to the doors and windows, pay special attention to it.

A large number of volatile organic compounds (VOCs)

Have you ever smelled a taste when your home has just been renovated, just painted, or just put on new furniture?

Decorative partitions, cements, and furniture may have volatile organic compounds (VOCs). The most dangerous substance is formaldehyde. The formaldehyde is widely present in paints, coatings, partitions, wooden furniture and adhesives, especially high humidity and high temperature, which accelerates the volatilization of formaldehyde. Excessive exposure to formaldehyde can irritate the nose, throat, eyes, and skin, damage our respiratory tract, and are carcinogenic. These building materials and furniture may continue to release volatile organic compounds for months or even years.

Cleaning supplies are another source of indoor pollution. When cleaning the house, we will open the kitchen cleaner, the toilet cleaner, and wash it out. Then we will put a wax on the floor, put a fragrance in the toilet, or spray the insecticide in the corner. These daily necessities often contain volatile organic compounds, which easily irritate the skin and respiratory tract, and even affect the central nervous system, causing fatigue and dizziness, as well as liver and kidney function, causing chromosome damage.

Perfume, nail polish, nail polish, hair gel, deodorant, anti-mosquito, correction fluid, insecticide, brightener, computer, scented candle, etc., which are often used by everyone, are also sources of volatile organic compounds.

Spreading biological pollutants

In our living environment, bacteria, dust mites, molds, fungi and other organisms can be found everywhere, making people allergic or infected. For example, after heavy rain, wet carpets, walls, and ceilings may be moldy, and mold cells can be rotated around the city with the air. Bedding is not often changed, it will be mixed with a lot of dander and dust mites. At the toilets and sinks where water is accumulated, air conditioners, dehumidifiers, and air-conditioning filters are hotbeds of microbial growth. These indoor microorganisms may cause infectious diseases, which may cause allergies to adults and children, affecting the respiratory tract, skin, eyes, and nose. Waiting for health.

Cigarettes, incense burners, and aromatherapy are all sources of pollution!

Cigarettes release thousands of chemicals and compounds such as nicotine, tar, and carbon monoxide. Hundreds of these are toxic, and there are nearly one hundred carcinogens that can damage organs throughout the body. Not only smokers are smoked. People who are not smoking but smoke second-hand smoke are deeply affected. Nowadays, although there are regulations and regulations in public places, the family space should still pay attention. If the family wants to smoke, they must ask him to go outdoors and ventilate to avoid the smoke pollution of their families.

Incense burners and aromatherapy are of course also sources of indoor air pollution, and long-term exposure is definitely harmful to the health of the family.

Clean the air and work hard together!

After reading so many sources of pollution, everyone may be surprised. The original indoor air pollution is much more serious than we imagined, and it unwittingly infringes on our health. In order to reduce indoor air pollution, we must start from two aspects, one is to reduce pollution sources, and the other is to filter air.

Olansi Healthcare Industry portable air purifier is willing to work with more families to further study and manage family indoor issues and contribute to more family health.If you are interested in this, please contact us for more products and preferential prices
Helen:
+86 13922346046
info@olansiglobal.com
https://www.olansiglobal.com

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India will set a new air quality index to help people understand air pollution

India will set a new air quality index to help people understand air pollution

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The Indian Minister of Environmental Protection said that India will set up a new air quality index to help people better understand air pollution and its impact on health. The new Air Quality Index will provide data on eight air pollutants and indicate their health impact in different colors.

In May 2014, the World Health Organization published a survey of 1,600 cities around the world. According to the report, the Indian capital, New Delhi, has an annual PM2.5 index of 153 μg/m3, ranking first in the world. Thirteen of the 20 cities with the worst global air quality are located in India. However, the Indian government has indicated that it does not accept the conclusions of the report.

According to British media reports, as part of India’s Prime Minister Narendra Modi’s ‘Clean India Mission’ initiative, the new Air Quality Index will provide the public with data on eight air pollutants, with different colors representing different health The extent of the impact.

Indian Environmental Minister Prakash Yawadkar said that the new air quality index uses ‘one color, one data and a single description’ to let ordinary residents understand the extent of air pollution.

Anumita Roy Chowdhury, director of the Air Pollution Project at the Environmental and Environmental Center of the Indian Environmental Protection Agency, said: ‘(Currently) people don’t know what these pollutants are, nor do they know when pollutants reach a certain critical point. What. The new index will help people better understand the state of air quality.’ Roy Chowdhury said India needs to take more action to control air pollution and prepare emergency plans.

Olansi Healthcare Industry portable air purifier is willing to work with more families to further study and manage family indoor issues and contribute to more family health.If you are interested in this, please contact us for more products and preferential prices
Helen:
+86 13922346046
info@olansiglobal.com
https://www.olansiglobal.com

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Respiratory pain to solve indoor air pollution

Respiratory pain to solve indoor air pollution

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When it comes to air pollution, people always think of outdoor pollution such as haze and sandstorms. According to a joint Elab survey, nearly 88% of respondents believe that indoor air quality is good. But in fact, indoors is the hardest hit by air pollution, and its damage can even reach 8 times more than outdoor. According to WHO data, the number of deaths caused by indoor air pollution is as high as 3.8 million per year.
To know that the average person spends more than 80% of the time indoors every day, how can we improve indoor air quality and have a healthy breathing environment?

Olansi Healthcare Industry K15 net negative ion air purifier to the world’s five longest longevity – Guangxi Bama’s longevity environment as the basis, to Bama air as an indicator for consumers to create a Bama health micro environment, at home You can always enjoy the natural convalescence, breathing healthy, fresh air.” Olansi Healthcare Industry K15 best air filter for home set a strong natural level of negative ions, air purification, superoxide detoxification and other functions in one, breaking the existing technological bottlenecks, with no ozone, no positive, no static characteristics.

Olansi Healthcare  Industry  portable air purifier is willing to work with more families to further study and manage family indoor issues and contribute to more family health.

If you are interested in this, please contact us for more products and preferential prices
Helen:
+86 13922346046
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The generation and countermeasures of PM2.5 in residential interior

The generation and countermeasures of PM2.5 in residential interior

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With the development of society, the whole people pay more and more attention to health. Since the reform, China’s economy has developed rapidly, but at the same time, air quality has deteriorated due to pollution caused by transportation, construction, agricultural activities, combustion sources and particulate matter. According to medical statistics, people need to breathe more than 20,000 times a day. How to improve the living environment and reduce people’s exposure time in harsh air has become the first task to study healthy buildings.

First, the background of outdoor PM2.5

Air pollution is an environmental pollution that is closely related to everyone’s health. Among them, PM2.5, which is a particle with a diameter of 2.5 microns or less, can penetrate directly into the lungs and enter the blood through the lung barrier due to the complex mixture of solid and liquid organic and inorganic substances. Its concentration is often used as air pollution. synonym. In recent years, various urban agglomerations and regions have taken measures to improve air quality.

According to the results of the indoor PM2.5 pollution big data released by Tsinghua University in 2019, there is a positive correlation between indoor PM2.5 concentration and outdoor concentration. Sometimes indoor PM2.5 is higher than indoors. At the same time, the results also show that the indoor level of the office environment is slightly better than the living environment. A lot of statistics suggest that about 80% of the time in the building is in the building, and then subdivided, about 30% is in the office building, and 50% is in the residential home. So let’s analyze how indoor PM2.5 comes from in the living space and how to deal with indoor PM2.5 more economically and reasonably.

Second, the source analysis of indoor PM2.5

In the building interior, as a space, the source of PM2.5 inside is roughly divided into two categories: indoor production and outdoor input. Among them, indoor self-production generally includes cooking, smoking, and personnel activities. Outdoor input sources include the introduction of fresh air systems, the penetration of door and window systems, and the introduction of personnel access.

Heating
In areas where decentralized heating is used, gas fireplaces are often used in residential households, even with conventional coal combustion, which is heated by burning calories from fossil dyes. And this combustion process will produce a large amount of nitrogen oxides, which will greatly deteriorate the indoor PM2.5 condition if it cannot be eliminated promptly and effectively.

2. Cooking
When we cook at home, there are two processes that produce PM2.5. One is that gas stoves burn natural gas or even particulate matter produced by gas. The second is cooking, especially the soot particles produced by frying and frying in Chinese food. According to the experimental research on four cooking methods of steaming, boiling, frying and frying according to the environmental protection public welfare organization ‘Natural University’, boiled corn, steamed steamed bread and potato chips were tested under the condition that the doors and windows were closed and the range hood was not opened. , PM2.5 produced by four cooking methods. The data showed that ‘cooking’ had a smaller effect on PM2.5, while ‘fried’ and ‘fried’ had a significant effect. Among them, “fried” even reached the ‘explosive table’ level of 787 μg/m3.

3. Smoking
In addition to being a bad habit of smoking, smokers in the enclosed indoor space are also the main source of indoor PM2.5. Once there was laboratory test data, a cigarette burned completely, producing 0.62 grams of particulate matter, of which PM2.5 accounted for about 30% to 40%, about 0.19 to 0.25 grams. If you smoke three cigarettes in a 100 square meter room, the concentration of PM2.5 will reach 955μg/m3, and the standard will reach 20~30 times!

4. Personnel activities
Personnel activities include walking, coughing, and secondary dust generated during housework. It should be specially noted that the conventional vacuum cleaner has the function of removing dust, but in fact, the vacuum cleaner is just one of the important sources of indoor PM2.5. The principle of the vacuum cleaner is to use the vacuum negative pressure caused by the electric motor to inhale dust and air in the room, and filter it through the filter to discharge the clean air. The filter in the conventional vacuum cleaner on the market can only filter out large particles of dust, such as dusty pompons that can be seen by the naked eye, but cannot be filtered for fine particles such as PM2.5. Thus, the PM2.5-rich particles are again discharged by the vacuum cleaner. Considering the air disturbance caused by air intake and discharge, PM2.5, which may have been adsorbed and settled, is accelerated by the vacuum cleaner. Of course, there is also a solution to use a high-efficiency vacuum cleaner that filters PM2.5. Similarly, the relatively low-level sweeping robots in the past two years may remove large particles of dust visible to the human eye. However, if the filtration efficiency is insufficient, the indoor PM2.5 can be twice diffused. The principle is the same as that of a conventional vacuum cleaner.

5. Fresh air system
The home fresh air system is undoubtedly one of the more familiar configurations of healthy living in recent years. The main function of the fresh air system is to filter the fresh outdoor air into the room. Then the problem comes. Fresh air refers to the outdoor air rich in oxygen, and even if the outdoor air is filtered by PM2.5, some PM2.5 that has not been filtered is sent into the room, so the new system is from a certain degree. In fact, it is actually an input source for indoor PM2.5, even if some fresh air systems have exhaust function.

6. Door and window system
The windows and doors on the market are now very airtight and can block the flow of air. However, PM2.5, which is less than 2.5μm, can penetrate into the room through the fine gap of the door and window through the free diffusion of Brownian motion.

Third, several common measures to improve indoor PM2.5

After talking about the source of indoor PM2.5, we should choose the right way to improve the indoor environment. It is necessary to solve the problem of ‘open source’, that is, reduce the input of outdoor PM2.5 to the room, and increase the interior of indoor PM2.5. Filter and process. Considering that people’s living habits are hard to change, we mainly analyze the following common measures: improving the airtightness of the outer window, adding new air blowers, and purchasing mobile air purifiers.

1. External window air tightness
Under normal circumstances, the construction engineering standard requires that the airtightness of the outer window should not be lower than the 6th grade specified in GB/T7106, and the corresponding air permeability is 1.5≥q≥1.0 m3/m.h. The unit of this indicator is not difficult to see, this represents the volume of air permeating the length of the outer window per unit length per hour. This is a minimum requirement, but it may often be different due to the quality of the construction or the actual effect of the door and window product process. Considering the severe situation of outdoor PM2.5, doors and windows as the main barrier to block the penetration of outdoor PM2.5 into the room, we should first ensure that the airtightness of doors and windows is maximized, including the selection of good sealing materials, and improve the assembly quality of doors and windows.

2. Home user-type new fan
On the basis of the basic measures to meet the airtightness of the outer door and window, the current active measures are to install a new type of fan or purchase an air filter. The main function of the new air blower unit is to introduce fresh outdoor air into the room, replace the dirty air in the room, improve the oxygen content of the indoor air, and continuously remove harmful gases such as odor and formaldehyde/VOC. However, if it is to remove PM2.5, its effect on improving PM2.5 is not obvious. After calculation, when the outdoor PM2.5 concentration is 200μg/m3 heavily polluted, a 120m2 apartment type house is equipped with a 230m3/h new air blower unit (0.7 gas exchange, meeting national specifications), which takes about 180 minutes. That is, at 3 hours, the indoor PM2.5 concentration reached a stable value of about 60 μg/m3, and did not reach the level of excellent air quality.

3. Mobile air purifier
Since the internal circulation mode of the new wind turbine group has a certain improvement in indoor particulate concentration compared to the fresh air mode. Then consider another measure, using a separate air purifier. In general, we will set up air purifiers in different rooms. Then install a living room (40m2) in the house to install a common CADR of 400m3 / h air volume, air purifier. Within about 30 minutes of using the air purifier, indoor PM2.5 can be reduced to below the national health standard of 35μg/m3. In the end, it can reach the WELL Healthy Building Standard (15μg/m3) and the WHO Air Quality Guidelines (10μg/m3) in an hour or so. It is not difficult to see that the air purifier circulating in a large air volume is very effective in improving the indoor PM2.5 compared with the fresh air system.

Olansi Healthcare  Industry  portable air purifier is willing to work with more families to further study and manage family indoor issues and contribute to more family health.

If you are interested in this, please contact us for more products and preferential prices
Helen:
+86 13922346046
info@olansiglobal.com
https://www.olansiglobal.com

What are the main indicators involved in the detection of air purifiers?

                                                What are the main indicators involved in the detection of air purifiers?

 

Air purifiers on the market often claim that the filtration technology they use is the best. Some brands also add auxiliary functions other than air purification,
 or add air purification functions to other functions. These are all without problems. Just remember that no matter what kind of purification mechanism, measuring 
the purification effect is inseparable from the following indicators:

Purification is not fast, good or bad: CADR (clean air output rate)
Is it suitable for 24-hour use: energy consumption, noise
Whether the effect can be guaranteed for a long time: CCM (cumulative air purification)
Are there side effects: chemical harmful substances, ozone, secondary pollution, etc.

For these indicators, there are some authoritative third-party independent testing institutions at home and abroad, some for individual testing, and some for 
comprehensive testing, but all professional manufacturers will take the initiative to send products to these institutions for testing, and clearly show Related
 reports and results.



The test standard for air purifiers started late, further standardized product labeling, and improved the experimental method for removing the pollutants of 
particulate matter and formaldehyde from air purifier products. The nine performance indicators specified basically cover all the functions of the purifier. 
: Clean air volume (ie CADR), purification energy efficiency, noise, applicable area, cumulative purification (ie CCM), purification life, standby power,
 release of harmful substances (such as ozone), microbial removal (antibacterial, mildew, sterilization) ).

 Judging whether an air purifier has implemented
 the new national standard, on the one hand, it depends on whether the relevant indicators are clearly indicated on the product, on the other hand,
 the standard number carried out by the product packaging or instructions can be seen, and the product quality is more guaranteed. In addition, when
 comparing the parameters, you should also pay attention to the source of the data, that is, whether the reporting organization that issued the
 report is authoritative.

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As a global air net brand focused on indoor air purification for several years, olansi understands what is the core indicator for measuring air purification.

The unique filter purification technology of olansi is different from the common filter in the market. It can remove 99% of harmful bacteria such as Escherichia coli, Staphylococcus aureus, Staphylococcus aureus and Air natural bacteria in the air.

 

The “professionalism” that Oakland insists is far more than that. Providing free on-site air testing services, covering service outlets in more than 100 major cities across the country,

are another profession and strength that cannot be quantified by industry standards. Autumn and winter smog will frequently patronize your life, for the health of you and your family,

you need a fresh and healthy air.

 

Best regards,
Kerry Zhang
Olansi Healthcare Co.,Ltd.
(GuangZhou Olans Water Treatment Equipments Co.,Ltd)
Mob./Whatsapp/wechat: +86 18898531824
Email: kerry@olansiglobal.com / airpurifiersfactory@vip.163.com
www.olansiglobal.com