
About
This app helps you monitor heatstroke risk by displaying the Heat Stroke Index (WBGT) based on temperature, humidity, and weather conditions. It provides national and prefectural data, along with the latest heatstroke alerts and a favorites feature.
What's New in 熱中症警戒
1.12.1
July 25, 2026
いつも御利用頂き、ありがとうございます。 今回のアップデート内容は以下のとおりです。 ・軽微な動作改善対応を行いました。 皆様のご要望にお応えできるよう日々改善を進めて参ります。 今後ともよろしくお願いします。
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$1.99
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FAQ
What is the Heat Stroke Alert app?
The Heat Stroke Alert app displays the Heat Stroke Index (WBGT) calculated from temperature, humidity, and weather conditions. It aims to help users take precautions against heatstroke, especially during periods of intense heat.
Does Heat Stroke Alert have ads?
Yes, the Heat Stroke Alert app contains advertisements. This is indicated by the 'hasAds' flag being true in the application data.
What information does Heat Stroke Alert provide?
It provides the national and prefectural Heat Stroke Index (WBGT), the latest heatstroke alerts by prefecture, and allows users to mark favorite locations.
What is the WBGT?
WBGT stands for Wet-Bulb Globe Temperature, which is an indicator of heat stress. It takes into account temperature, humidity, wind speed, and solar radiation to assess the risk of heatstroke.
Is Heat Stroke Alert available on all devices?
Heat Stroke Alert is supported on iPhone, iPad, and iPod devices. The age rating for the app is 4+.
How often is Heat Stroke Alert updated?
The latest version of Heat Stroke Alert is 1.11.1, and it was last updated on July 13, 2026. Future updates are planned to add more features.
Where does Heat Stroke Alert get its data?
The data for Heat Stroke Alert is sourced from the Japan Meteorological Agency and the Ministry of the Environment's Heatstroke Prevention Information Site.
Can I customize alerts in Heat Stroke Alert?
The app provides the latest heatstroke alerts by prefecture. While specific customization of alert thresholds is not detailed, users can mark favorite locations for easier monitoring.






