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haze (esp. in spring); mist
dimness (of sight)
「翳」 has another reading with different meanings.
春の霞がかかっている。
Spring haze hangs in the air.
遠くの山に霞がかかった。
Haze settled over the distant mountain.
霞で遠くが見えない。
I can't see far due to the haze.