What does 花粉 mean?
花粉 is a Japanese noun meaning “pollen” in English. It is written as 花粉 in kanji, かふん in hiragana, and kafun in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
花粉よりも小さな黄砂をマスクでどれだけ防ぐことが出来るのか？花粉よりもずっと厄介者のように思います。
Just how well can masks block the, even smaller than pollen, yellow sand dust? I think it much more of a nuisance than pollen.