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Dallas study identifies hot spots; OEQS urges using maps for cooling and outreach
Summary
City Office of Environmental Quality and Sustainability staff presented combined 2023–24 urban heat island mapping showing up to a 12-degree difference across neighborhoods, highlighted hot zones around downtown and I‑35 corridors, and proposed using maps to prioritize tree planting, cooling shelters and heat-response planning.
The Office of Environmental Quality and Sustainability presented on an expanded urban heat island study and interactive maps showing concentrated heat in parts of Dallas and proposed next steps to guide tree planting and heat-response planning.
The study’s purpose, Paul White, Director, Office of Environmental Quality and Sustainability, said, was “to identify the hot spots in our city and prepare for extreme heat” and to help prioritize “ways to implement cooling solutions in the communities.”
The study combined vehicle-based temperature data collected in 2023 and 2024 and modeled citywide surface temperatures. OEQS staff said they covered the entire city — “100% of the city, which is about 350 square land miles” — with three one‑hour driving sampling sessions per day during data collection runs. The team reported a maximum simultaneous temperature differential of about 12 degrees, meaning one location could be around 90°F while another reached roughly 102°F at the same time.
The combined map shows the highest modeled heat…
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