Japan Introduces New Classification for Days Exceeding 40C Amid Rising Temperatures

In Brief

Japan's updated heat classification system reflects growing concerns over extreme summer temperatures and public safety.

Key Facts

• Japan has expanded its heat classification system to include a new category for days exceeding 40C.
• The decision was made in response to dramatic temperature changes in recent years.
• Japan’s weather agency has formally adopted a new name for these extremely hot days.
• The change comes ahead of what is expected to be another very hot summer.
• Authorities aim to better inform the public about heat risks with the new classification.

What Happened

Japan's weather agency has introduced a new classification for days when temperatures exceed 40C, following notable increases in extreme heat.

Why It Matters

The new classification aims to improve public awareness and preparedness as Japan experiences more frequent and intense heatwaves, which can have health and safety implications.

What's Next

The effectiveness of the new system will be observed during the upcoming summer, with authorities monitoring its impact on public response and safety measures.