スモッグ

noun

smog

Refers to polluted haze in the air, often from exhaust or industrial pollution; common in compounds such as 光化学スモッグ.

• スモッグで遠とおくの山やまが見みえない。

  The distant mountains are not visible because of the smog.

• 夏なつになると光こう化か学がくスモッグ注ちゅう意い報ほうが出でることがある。

  In summer, photochemical smog advisories are sometimes issued.