飛 散 量(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)の飛散量(ひさんりょう)は多(おお)い。

Today's pollen count is high.

スギ花粉(かふん)の飛散量(ひさんりょう)が予測(よそく)されている。

The amount of cedar pollen dispersal is being forecast.

気温(きおん)が上(あ)がると花粉(かふん)の飛散量(ひさんりょう)も増(ふ)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) + 量(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)の飛散量(ひさんりょう): amount of pollen dispersal
飛散量(ひさんりょう)が多(おお)い／少(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)がピークに達(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)

Related Words

Compare: 花粉症(かふんしょう) (hay fever)

general

Added 2026.6.1 11:07 · Revised 2026.9.2 13:02

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