Consumer Reports that ionizing air cleaners often create significant levels of potentially harmful indoor ozone.
People with asthma or respiratory allergies are especially sensitive to indoor ozone, an irritant that can worsen asthma, deaden sense of smell, raise sensitivity to pollen and mold, and may cause permanent lung damage
These are the cleaners that failed safety standard tests and should be returned for a refund.
Brookstone Pure-Ion V2; Sharper Image Professional Series Ionic Breeze Quadra S1737 SNX; Ionic Pro CL-369; IonizAir P4620; and Surround Air XJ-2000.
Top performers that passed the tests were:
The top-performing Friedrich C-90A, an ionizing electrostatic precipitator model, is very effective and emits little ozone. Another fine performer that emits little ozone is the Whirlpool 45030, which is a HEPA-filter model.
Why not just open your windows for a while.