Last Updated
：2026/01/06
光害
Hiragana
こうがい
Noun
Japanese Meaning
都市部などで人工照明が過度に明るく、夜空の星が見えにくくなったり、生態系や人間の生活環境に悪影響を与えること。 / 必要以上の屋外照明や不適切な照明設計によって引き起こされる環境問題。
Easy Japanese Meaning
よるにこうこうとあかりがつきすぎて、ほしやつきがよく見えなくなること
Chinese (Simplified) Meaning
人工照明造成的光污染 / 夜间过度照明使天空变亮、妨碍天文观测的现象 / 强光对生态与人类健康的负面影响
Chinese (Traditional) Meaning
人工照明造成的環境污染 / 夜間過度照明對星空觀測與生態的干擾 / 光線外溢引起的視覺與生理影響
Korean Meaning
인공조명의 과도한 빛으로 발생하는 환경 오염 / 도시의 밝은 조명으로 밤하늘 관측을 방해하는 현상 / 인공광이 생태계와 인간의 생체리듬을 교란하는 피해
Vietnamese Meaning
ô nhiễm ánh sáng / tác hại của ánh sáng nhân tạo ban đêm đối với môi trường và quan sát thiên văn / chiếu sáng quá mức vào ban đêm gây ảnh hưởng tiêu cực
Tagalog Meaning
polusyon ng liwanag / sobrang artipisyal na ilaw sa gabi na nakaaapekto sa astronomiya at kalikasan / sobrang pag-iilaw na nagpapadilim sa tanaw ng bituin
Sense（1）
light pollution
（ canonical ）
（ romanization ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
See correct answer
In urban areas, light pollution makes it difficult to see the starry sky.
In urban areas, light pollution makes it difficult to see the starry sky.
See correct answer
都市部では、光害が星空を見るのを難しくしています。
Japanese - English
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