Pima County to open Cooling Centers May 4 amid early rise in heat-related deaths
PIMA COUNTY, May 1, 2026 – Cooling centers will open May 4 across Pima County, providing vital respite as temperatures climb. Four Pima County residents have died so far in 2026 from heat-related causes, compared to two deaths at this time in 2025.
“Heat can affect anyone. It is important to understand that higher temperatures are starting earlier in the year and lasting longer,” said Dr. Theresa Cullen, Pima County Health Department director.
Starting on Monday, May 4, cooling centers will open their doors through October. Hours vary depending on the site, which includes many operated by County partners and community organizations. Visit the Health Department’s cooling center webpage to see a list of locations in Pima County and their hours and services.
“Cooling centers are an important resource for getting those who are at risk of heat-related illness into a cool space during the hottest times of summer,” said Betsy Camara, the Health Department’s Office of Heat Relief and Response program manager. “We have a great relationship with our community partners from the City of Tucson to local non-profits; we all work together to open as many safe spaces as possible throughout the summer.”
In addition to cooling centers, the County also supports respite and hydration centers. It’s important to know the difference so you can make the best choice on which to visit:
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Cooling centers are cooled indoor locations that provide refuge from the heat during the day. Drinking fountains or bottled water are available.
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Respite centers allow participants to rehydrate and rest, sit, or lie down without interruption during hours or operation.
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Hydration centers provide water bottles and a clean/safe refill station. These locations may be indoors or outdoors and do not guarantee a space to sit or rest for extended periods of time.
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Library Cooling Spaces are open during regular library hours and allow visitors to get out of the heat and use the services libraries provide.
The Ajo Community will have their own COOLtainer, a mobile unit providing the same cooling space as other centers. It's open on weekends, 11 a.m. to 7 p.m.
Each location on the map will list if pets are allowed. Pet owners should look up the location nearest their home and check to see if it is pet-friendly. Pets will be required to remain on a leash at all times.
HEAT SAFETY TIPS
Pima County heat can start affecting you as early as March and last through October, with extreme temperatures peaking during June through August. Follow these tips to help stay safe:
- Learn the signs of heat-related illness and symptoms so you can take action quickly on the Beat the Heat webpage.
- Stay indoors during the hottest parts of the day, if possible.
- Drink more water than usual, even if you do not feel thirsty.
- Plan ahead by checking the weather forecast and signing up for heat alerts from the Arizona Department of Health Services.
- Check on loved ones and neighbors, especially older adults, as they are at higher risk.
- Talk to your doctor about medications that may increase heat sensitivity.
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