Interactive map shows where extreme heat threatens health

By Ariel Wittenberg | 04/23/2024 06:24 AM EDT

The new tool appears on websites for the National Weather Service and the Centers for Disease Control and Prevention.

Stefon James Dewitt Livengood drinks water to stay cool during a heat wave last year in Arizona.

Stefon James Dewitt Livengood drinks water to stay cool during a heat wave last year in Arizona. Thomas Machowicz/AP

An online tool launched Monday by the Biden administration aims to keep people safe from extreme heat by showing them where in the lower 48 states temperatures are high enough to harm their health.

The interactive map, called HeatRisk, appears on websites for both the National Weather Service and the Centers for Disease Control and Prevention.

Users can scroll through to look at current heat conditions, as well as a forecast for the next several days. The map is color-coded to show the risk of heat-related health impacts — with green being little to no risk and magenta showing areas of extreme heat health impacts.

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“We know heat can impact our health, but heat-related illness and death are preventable,” CDC Director Mandy Cohen said at a press conference Monday.

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