An air ionizer doesn’t catch the pollutants, it just makes them large enough to settle, you still have to clean them up to remove them. Also, it doesn’t do as good of a job with larger particles.

The first potential drawback is that ionizers don't actually remove any air pollutants; they simply move them to a new place. Attaching a negative ion to the air particles causes them to clump ...

Air ionizer cons An air ionizer doesn’t catch the pollutants, it just makes them large enough to settle, you still have to clean them up to remove them. Also, it doesn’t do as good of a job ...