空気清浄機(くうきせいじょうき)

Forms

• 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)