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 (hay fever) season.
今日の飛散量は多い。
Today's pollen count is high.
スギ花粉の飛散量が予測されている。
The amount of cedar pollen dispersal is being forecast.
気温が上がると花粉の飛散量も増える傾向がある。
When temperatures rise, the amount of pollen dispersal tends to increase as well.
Compound of 飛散 (scattering, dispersal) + 量 (amount, quantity). In everyday usage almost always refers to pollen, but can apply to any airborne particle (dust, ash, radioactive material).
COMMON COLLOCATIONS:
- 花粉の飛散量: amount of pollen dispersal
- 飛散量が多い/少ない: dispersal is high / low
- 飛散量予測: dispersal forecast
- 飛散量がピークに達する: dispersal reaches its peak
SIMILAR WORDS:
- 花粉情報: pollen information — the broader category that includes the count
- 花粉症: hay fever — the condition affected by 飛散量