(ひさんりょう)

ひさんりょう
noun
amount of airborne dispersal; (pollen) count
1. amount of airborne dispersal; (pollen/particles) count
The quantity of particles—most commonly pollen—dispersed into the air over a given area and time. Frequently reported in weather forecasts during 花粉症(かふんしょう) (hay fever) season.
今日(きょう)飛散量(ひさんりょう)(おお)い。
Today's pollen count is high.
スギ花粉(かふん)飛散量(ひさんりょう)予測(よそく)されている。
The amount of cedar pollen dispersal is being forecast.
気温(きおん)()がると花粉(かふん)飛散量(ひさんりょう)()える傾向(けいこう)がある。
When temperatures rise, the amount of pollen dispersal tends to increase as well.

Compound of 飛散(ひさん) (scattering, dispersal) + (りょう) (amount, quantity). In everyday usage almost always refers to pollen, but can apply to any airborne particle (dust, ash, radioactive material).

COMMON COLLOCATIONS:

  • 花粉(かふん)飛散量(ひさんりょう): amount of pollen dispersal
  • 飛散量(ひさんりょう)(おお)い/(すく)ない: dispersal is high / low
  • 飛散量(ひさんりょう)予測(よそく): dispersal forecast
  • 飛散量(ひさんりょう)ピーク(ぴーく)(たっ)する: dispersal reaches its peak

SIMILAR WORDS:

  • 花粉(かふん)情報(じょうほう): pollen information — the broader category that includes the count
  • 花粉症(かふんしょう): hay fever — the condition affected by 飛散量(ひさんりょう)