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Today, 1 in 3 people born after 1980 have some form of allergy (rhinitis, asthma, conjunctivitis, food allergy etc.). 6% of the population has asthma, and 12% of children. The occurrence of asthma and other respiratory diseases is determined by genetic predisposition mechanisms but also by environmental factors such as exposure to allergens, pollution of outside air … and chemical pollutants of indoor air.

The air inside is 8 times more polluted than outdoor air

A priori, we would be tempted to think that the outside air is more polluted than the indoor air. Yet the truth is different: more studies have revealed that indoor air is on average eight times more polluted than outdoor air. By “indoor air”, one must understand the air that is in the non-industrial indoor environment (houses, schools, public places, offices and means of transport). These interior spaces in which we spend 80% of our time, are polluted by external pollutants (street or basement pollution), pollutants from the building itself (furniture, building materials, decoration …) and our own activities (cleaners, tobacco …). Depending on the type of pollutants that you are dealing with, you can choose between different types of air purifiers. Sometimes, indoor plants and regular ventilation is enough in order to keep air contaminants at bay. Nevertheless, sometimes we need extra protection which is where air purifiers come in handy. The best air purifier 2015 units are very efficient in dealing with one or several of the air contaminants presented above.

The main indoor pollutants

  • Carbon monoxide (CO): colorless, odorless and deadly in high concentrations. It emerges from heaters or hot water combustion when they are old or poorly adjusted. Symptoms of poisoning include headache, dizziness, blurred vision, nausea, leg weakness, drowsiness, fainting …
  • Volatile organic compounds or VOC (formaldehyde, organic solvents, glycol ethers, hydrocarbons …) are found in new or newly renovated buildings. They can be identified by numerous materials: adhesives, paints, cleaning products, chemical fragrances, pens, but also materials known as “natural” as treated wood. Most are carcinogenic.
  • Lead in old paint causes anemia and irreversible impairment of the central nervous system.
  • The dust contains small particles that can be inhaled. It also contains smoke, pollen, spores and allergens. The fibers are particles emitted by certain materials (cellulose, hemp, sisal, asbestos, glass wool, rock …). Some activities such as crafts, cooking or household emit significant amounts of particles and fibers that remain suspended in the air.
  • Tobacco smoke contains more than 3,000 hazardous substances. It causes irritation to the eyes and respiratory tract, can cause seizures in people with asthma, cancers by active or passive smoking, etc. Hence the importance to ventilate if someone smokes in the room. In this case, it’s advisable to opt for an air purifier that will remove tobacco smoke and all the chemicals mentioned above.┬áThere’s no other air purifier that is more efficient at removing tobacco smoke than an activated carbon that binds with all contaminants to remove them for good. The best air purifier 2015 units can filter not only tobacco smoke, but also dust or pet dander.

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