Climate Change Indicators

CDC's Tracking Network uses data from many sources to track the effects of climate change. While there are a number of indicators related to climate change, the Tracking Network currently has data related to extreme heat and flood vulnerability.

Extreme heat data can be used to better evaluate the number of heat-related events at the national level, while allowing for comparisons across states. These comparisons can help local communities design interventions and better understand the possible health effects and risks to specific groups of people. These indicators use data from the past to identify extreme temperatures, extreme heat days and events, and conditions that make people vulnerable to heat. They also project future extreme heat events to help estimate the burden of heat-related illness in the next century.

Flood vulnerability data can be used to estimate the number of people and housing units at risk from flooding, which can be compared across states and counties. This information can inform interventions and communication efforts targeting at-risk populations.

The Tracking Network has additional indicators on health effects associated with extreme heat including heat stress illness emergency department visits and hospitalizations and heat-related mortality. See the Heat Stress Illness content area for more information

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Date Display Flood Vulnerability Future Projections of Extreme Heat Future Projections of Extreme Precipitation Heat stress emergency department visits Heat stress hospitalizations Heat Vulnerability - Adaptive Capacity Heat Vulnerability - Exposure Heat Vulnerability - Sensitivity Heat-Related Mortality Historical Extreme Heat Days and Events Historical Extreme Precipitation Temperature Distribution