空気清浄機(くうきせいじょうき)

くうきせいじょうき
noun
air purifier
1. air purifier, air cleaner
An electrical device that removes contaminants, allergens, dust, and pollutants from the air in a room or building.
花粉(かふん)症(しょう)の季節(きせつ)は空気清浄機(くうきせいじょうき)が欠(か)かせない。
An air purifier is essential during hay fever season.
空気清浄機(くうきせいじょうき)のフィルターを交換(こうかん)する。
I replace the air purifier filter.
加湿(かしつ)機能(きのう)付(つ)きの空気清浄機(くうきせいじょうき)を買(か)った。
I bought an air purifier with a humidifier function.

WORD FORMATION:

  • 空気(くうき) (air) + 清浄(せいじょう) (purification) + 機(き) (machine)

POPULARITY IN JAPAN: Air purifiers are extremely common in Japanese households due to:

  • 花粉(かふん)症(しょう) (hay fever) - especially cedar pollen in spring
  • PM2.5 and 黄砂(こうさ) (yellow dust) from mainland Asia
  • Concerns about viruses and bacteria
  • General emphasis on cleanliness

COMBINED DEVICES:

  • 加湿(かしつ)空気清浄機(くうきせいじょうき) (air purifier with humidifier)
  • 除湿(じょしつ)空気清浄機(くうきせいじょうき) (air purifier with dehumidifier)

POPULAR BRANDS: Sharp, Panasonic, Daikin, and BALMUDA are well-known Japanese air purifier brands.

COMMON COLLOCATIONS:

  • 空気清浄機(くうきせいじょうき)をつける (to turn on the air purifier)
  • 空気清浄機(くうきせいじょうき)のフィルター (air purifier filter)

Related Words

Related: 加湿器(かしつき) (appliance)
general
Added 2026.1.18 5:56 · Revised 2026.1.19 21:17
06500/06510_kuukiseijouki