1An appliance that removes dust, pollen, smoke and other particles from indoor air using filters or electric methods; commonly used in homes and offices.
花粉の季節は空気清浄機をつけっぱなしにしている。
I keep the air purifier running during pollen season.
空気清浄機のフィルターは定期的に掃除や交換が必要だ。
You need to clean or replace the air purifier's filter regularly.
新しい空気清浄機を買ってから、部屋のにおいが気にならなくなった。
Since buying a new air purifier, the smell in the room has become less noticeable.
空気清浄機は有効だが、換気や掃除と併用することが重要だ。
Air purifiers are effective, but it's important to use them together with ventilation and cleaning.