Refers to a growing social or historical current, often implying a sense of inevitability or a favorable time for change. Common in formal or written contexts.
改革の気運が高まっている。
Momentum for reform is building.
独立の気運が国中に広がった。
A movement for independence spread throughout the country.
weather conditions
Compound of 気 (spirit, mood) and 運 (carry, fortune), suggesting a prevailing mood or destiny in motion.