The Arizona Department of Environmental Quality issued an Ozone High Pollution Advisory for the Phoenix Metro Area on Thursday, July 22. The alert, effective at 8:53 a.m. MST, warns that forecast weather conditions combined with existing ozone levels are expected to produce local maximum 8-hour ozone concentrations that pose a health risk.
Ozone can cause breathing difficulties for children, older adults, and persons with respiratory problems. The advisory expires at 9 p.m. MST on July 23. ADEQ recommends reducing physical activity, carpooling, telecommuting, using mass transit, and postponing gasoline-powered equipment use until late in the day. For details, visit www.azdeq.gov/forecast/phoenix or call 602-771-2300.
Source: National Weather Service.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- National Weather Service retrieved 22/07/2026 16:22
Authored by The Scottsdale Signal. Drafted by AI from primary-source material under our beat-specific editorial guides; reviewed by humans before publish under our five-gate process. Sources retrieved at 22/07/2026 16:22. Every claim traces to a source.