The Arizona Department of Environmental Quality issued an Ozone High Pollution Advisory for the Phoenix Metro Area on June 4, effective at 9:23 a.m. and expiring at 9 p.m. MST. Forecast weather conditions combined with existing ozone levels are expected to produce local maximum 8-hour ozone concentrations that pose a health risk, particularly for children, older adults, and persons with respiratory problems.

Residents are urged to reduce physical activity, carpool, telecommute, or use mass transit. The use of gasoline-powered equipment should be reduced or postponed until late in the day. For additional details, visit www.azdeq.gov/forecast/phoenix or call 602-771-2300.

Source: National Weather Service.

Sources

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  1. National Weather Service retrieved 04/06/2026 16:26

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 04/06/2026 16:26. Every claim traces to a source.