News&Articles

 Is the Sky Hazy? Surviving "Yellow Dust" Season in Japan

Living in Japan, there is a season we just can't seem to avoid. Have you noticed the sky looking a bit white or yellow recently? It’s not mist or fog. It is likely "Kosa" (Yellow Dust).

What is Kosa? "Kosa" refers to fine microparticles carried by the wind from deserts on the Asian continent. If your eyes feel gritty or your throat feels scratchy (igai-ga), don't just blame it on hay fever—it might be the Yellow Dust.

Why is it a problem? The true nature of Kosa isn't just sand. As it travels, it often picks up pollutants like PM2.5. While this isn't strictly scientific data I'm presenting here, it is generally understood that industrial emissions from the continent can attach to these particles. Because of this, Kosa can easily damage your respiratory system and skin. It is important to be aware of this and take precautions.

How to Protect Yourself Here are some simple measures you can take in your daily life:

1. Use High-Quality Masks: Japan sells high-performance masks that are actually quite comfortable to wear. I highly recommend wearing one on days when the dust is heavy.

2. The "Ugai" (Gargling) Habit: This is a unique Japanese custom. Making a habit of gargling when you get home to wash away particles stuck in your throat can significantly reduce symptoms.

3. Dry Laundry Indoors: Hanging laundry outside in the sun feels great, but on Kosa days, it is important not to hang clothes outside to avoid collecting dust.

Enjoying the Japanese Spring Spring is the most beautiful season in Japan, especially with the cherry blossoms. However, managing your physical condition requires a little extra care during this time.

I hope this knowledge helps you stay healthy and fully enjoy your spring in Japan!