The Arizona Department of Environmental Quality issued an Ozone High Pollution Advisory for the Phoenix Metro Area on May 8 at 9:20 a.m. MST. The advisory remains in effect through Sunday, May 10 at 9 p.m. 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 people with respiratory problems. The ADEQ recommends reducing physical activity, carpooling, telecommuting, or using mass transit. Gasoline-powered equipment use should be reduced or performed late in the day. For details, visit www.azdeq.gov/forecast/phoenix or call 602-771-2300. Source: National Weather Service.

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  1. National Weather Service retrieved 2026-05-08T16:23:31.460282Z

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 2026-05-08T16:23:31.460282Z. Every claim traces to a source.