The process of Ionizing air
involves oxygen content being given an electrical charge where it either has a
negative charge due to the presence of one or more extra electrons per oxygen
molecule, or a positive charge due to the presence of less than the normal
number of electrons per molecule. Air purification systems that ionize the air,
send a negative charge to oxygen molecules. This allows the molecules to act as
an attractor for dust particles and pollutants in the air. This is very helpful
if used as a cleanser for enclosed environments.
An example on how ionized air is effective is
presented by nature itself, after a rain and lightning storm the sky often
appears brighter and clearer after a storm has passed than is normal on a dry,
sunny day. The lightning acts as a natural air
ionizer to the air in the atmosphere.
But what are ions? Ions are
oxygen atoms with a negative charge. They are created by sunlight entering the
atmosphere, lightening, waterfalls, and plants. This technology is mostly used to
purify air artificially. They purify the air because their negative charge
causes them to bind with dust and pollution in the air so these particles fall
to the ground.
Large amounts of Ions are present
in our atmosphere naturally. But in cities where air pollution levels are high,
ion levels drop significantly. When you
spend time in nature, lots of ions enter your blood stream via your breathing
and your mood quickly improves.
Air ionizer in your home, car, and offices can significantly
reduces exposure to air pollution making you more energized, alert and
positive. Ionizers clean the air of dust, pollen, animal dander, cigarette
smoke, and other pollutants. It is very helpful for people with respiratory
disease, asthma, and cardiovascular disease, the elderly, children, and
smokers.
These devices are best placed in the main living
area such as the living room, bedroom or even washrooms. 
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