こう化学 かがくスモッグ注意 ちゅうい ほうであれば
kōkagakusumogguchūihōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 光化学スモッグ注意報

1. If photochemical smog is warned of.; When photochemical smog is warned of.

Ba Conditional