Map of the eastern United States showing heat risk levels using color-coded zones. Areas with the highest heat risk are marked in dark red and purple, primarily covering parts of the Midwest, Ohio Valley, and Mid-Atlantic regions. Surrounding areas in orange and yellow indicate moderate to lower heat risk. Major cities such as Chicago, St. Louis, Atlanta, and Washington, D.C. are included in the affected regions.

Data and Tools

Explore our collection of heat tools and products from across our partner agencies. Tools in this section can help you and your community prepare for heat events and learn more about your risk to extreme heat.

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1–12 of 232 results found.

Graphic Illustration of Heart Pulse Rate

5 Steps to Prepare for Hot Days For People with Heart Disease

A person sitting down with his head in his hand and a thermometer in his mouth

5 Ways To Help The Homeless During A Heat Emergency (thrivedc.org)

A Maturity Model for Heat Governance

A Public Service Announcement (PSA) on Heat Illness Prevention

A Public Service Announcement (PSA) on Heat Illness Prevention (Spanish)

Additional Safety Tips

Two bottles, a red cross booklet, and a battery

Administration for Community Living Emergency Preparedness

Construction workers drinking water during a break from work. Credit: S&B Engineers and Constructions photo submission to the OSHA Beat the Heat national photo contest.

AIHA Heat Stress Application

The sun over a body of water in Alaska. Credit: Pixabay

Alaska just hit a climate milestone – its first ever heat advisory

An illustration of a man wiping sweat from his forehead on a hot day.

Ambient outdoor heat and accelerated epigenetic aging among older adults in the US

Lindsay Outlaw and Kris Solow stand next to a car equipped with a heat sensor at the urban heat island mapping campaign in Charlotte, North Carolina on July 14, 2024. (Image credit: Joe Wiswell )

Applications now open nationwide for community-led heat-monitoring campaigns

A person is outside sweating from the heat

Arizona Department of Health Services brochure

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Urban Heat Islands

Data and Tools

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About Urban Heat Islands

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Urban Heat Islands