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Chicago Marks 30th Heat Wave Anniversary With New Vulnerability Index and Calls for Expanded Cooling Access

A new heat vulnerability index revealed persistent gaps in cooling center access during memorials that honored the 739 victims.

People watch an excerpt from the documentary “Cooked: Survival by Zip Code,” about the 1995 Chicago heat wave, at the Columbus Park Refectory on July 15, 2025. A panel discussion on the heat wave followed. (Armando L. Sanchez/Chicago Tribune)
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Overview

  • Community groups and city officials gathered July 11–15 outside Quinn Chapel AME Church, unveiling a public art installation, screening the PBS documentary Cooked: Survival by Zip Code and hosting panel discussions on lessons from 1995.
  • The People’s Response Network urged round-the-clock operation of cooling centers, deployment of air-conditioned CTA buses to senior homes and unhoused encampments, and targeted wellness checks in high-risk neighborhoods.
  • Chicago’s Department of Emergency Management & Communications introduced a heat vulnerability index developed with Northwestern University to direct resources to historically underserved South and West Side communities.
  • NOAA-sponsored research shows that historically redlined areas experience significantly higher temperatures, while high energy costs and holiday closures of public cooling sites continue to limit relief options.
  • Organizers warned that as climate change drives more frequent and intense heat waves, Chicago must close operational gaps in its heat-response strategies to protect elderly and marginalized residents.