Active Weather Alerts
Extreme Heat Warning
Issued: 7:30 PM Aug. 22, 2025 – National Weather Service
...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM MST SUNDAY... * WHAT...Dangerously hot conditions with temperatures up to 105 across eastern Pima county and southeastern Pinal county leading to Major Heat Risk. * WHERE...South Central Pinal County, Southeast Pinal County, and Tucson Metro Area. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major Heat Risk is when heat will affect anyone without cooling or hydration as well as health systems and industries. PRECAUTIONARY/PREPAREDNESS ACTIONS... To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible and drink plenty of water. &&
Air Quality Alert
Issued: 4:31 PM Aug. 22, 2025 – National Weather Service
...AIR QUALITY ALERT IN EFFECT UNTIL 8 PM MST THIS EVENING... The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone (OZ) High Pollution Advisory for the Tucson Metro area until 8 PM MST this evening. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an air contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems. A decrease in physical activity is recommended. You are urged to car pool, telecommute, or use mass transit. The use of gasoline-powered equipment should be reduced or done late in the day. For details on this High Pollution Advisory, visit the ADEQ internet site at www.azdeq.gov/forecast/tucson or call 602- 771-2300.
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