How to say “yellow dust” in Japanese

黄砂がひどいです。

🔊 Kōsa ga hidoi desu

Literally: “The yellow dust is terrible.”

💡 黄砂 (kōsa) = yellow dust/sand. Simple observation that works for any bad dust day in Japan.

今日は黄砂注意報が出てるので、マスクした方がいいですよ。

🔊 Kyō wa kōsa chūihō ga deteru node, masuku shita hō ga ii desu yo

Literally: “A yellow dust advisory is out today, so you'd better wear a mask.”

💡 注意報 = advisory/warning; した方がいい = you'd better. Practical Japanese expat advice.

また黄砂の季節か、洗濯物外に干せないし、車も真っ黄色だよ。

🔊 Mata kōsa no kisetsu ka, sentakumono soto ni hosenai shi, kuruma mo makkiiro da yo

Literally: “Yellow dust season again — can't hang laundry outside, and the car is bright yellow.”

💡 The very specific local complaints: can't dry laundry outdoors, car covered in dust. 真っ黄色 = bright yellow. Casual male speech (だよ).