Choose a unit with a carbon filter . Personal air filters , designed to be worn around the neck and suitable for travel or office settings, are also available. Air purifiers work by circulating and filtering air through a filter that removes particles from the air by trapping them. A fan pulls air through a filtration system that removes unwanted compounds from the air. Both types clear chemicals like solvents from furniture, carpet, etc. from the air.
Most filters also clear out particulate matter.
This type of filter removes toxic fumes and chemicals from surrounding air. UV light purifies air naturally, using light rays like those from the sun and ozone, a byproduct of lightening. Good quality HEPA filters are capable of removing 95.5 percent of all particles from surrounding air down to a range of 0.3 microns. While electron ion generators are effective, they shouldn't be placed by painted walls, he cautions. Pollen, dust, gases, toxic chemicals, bacteria, airborne toxins and viruses.