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IAQ Facts

How to define Clean Air?

WHO Standards for Clean Air

The World Health Organisation has official guidelines that outline nine types of indoor air pollutants that are detrimental to human health including viruses, bacteria, mould, suspended particulates and toxic gases. The guidelines stipulate the safe levels for these pollutants and Health and Environmental Ministries adopt these standards around the world.

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View the 9 categories of Indoor Air Pollution >



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Health Hazards

  • Indoor air pollution is ranked 5th as a cause of ill health worldwide.

  • Poor air quality has been scientifically correlated with an array of health issues including birth defects, lowered IQ in babies, male infertility and lung cancer.

  • It has been scientifically proven that increased air pollution is directly related to increased sick leave, hospitalisation and even death.

  • Scientists have discovered that air pollution plays as significant a role in heart disease as a poor diet.

  • Studies from the USA conclusively link exposure to air pollution during formative years with long-term asthma later on in life.

  • In most urban cities, ultrafine particles contribute to 60%-80% of all pollutants in the air, which are too small for ordinary HEPA air purifiers to eliminate.

  • We spend 90% of our time indoors. It’s time to take control of the air you breathe.

What is Sick Building Syndrome?

A term coined by the World Health Organization identifying a condition which incorporates symptoms of a psychosomatic and physical nature that appear in connection with artificial room environments, which have a genuine sickness value, and lead to lasting suffering in the people concerned.

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Other Currently Available Air Cleaning Methods. Do they work and are they safe?

Unlike most other technologies on the market today, Oxyvital’s patented zeolite-based technology not only filters the air but purifies it to meet WHO optimal air quality standards, and does so without releasing toxic by-products.

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About Ozone

Ozone is a toxic and corrosive gas that can cause severe health issues. What manufacturers of most other air purifiers don’t want you to know is that their systems actually emit ozone as a by-product of their air purification processes.

When inhaled repeatedly, ozone can permanently damage the lungs, cause respiratory infections, and aggravate existing conditions such as asthma. Inhaling just a small amount can result in chest pain, coughing, shortness of breath and throat irritation. So whilst some other air purification systems might claim to be cleaning your air, their technology is introducing a new toxic poison in the form of ozone into your home or office.

Unlike any of these technologies, Oxyvital is not only proven to be the most effective in killing airborne pollutants, but it does so without generating any additional toxic by-products. With Oxyvital, all you get is pure, clean air.

Oxyvital in the News


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Press Releases


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Links / Supplementary Information


Clean Air Network HK - http://www.hongkongcan.org/eng/

WHO Indoor Air Guidelines - http://www.who.int/indoorair/en/

Hedley Index - http://hedleyindex.sph.hku.hk/home.php

China Air Quality Index - http://www.aqicn.info