<p>Provided is an ion generator capable of supplying a good balance of plus ions and minus ions. This ion generator (1) is equipped with a plus ion generation means (21) that generates plus ions, a minus ion generation means (22) that generates minus ions, a first discharge port (11) that discharges plus ions, and a second discharge port (12) that discharges minus ions. The first discharge port (11) and the second discharge port (12) are provided respectively with first louvers (19) and second louvers (20) with which the discharge direction can be changed.</p>
