The Arizona Department of Environmental Quality issued an Ozone High Pollution Advisory for the Phoenix Metro Area on June 3, effective at 9:09 a.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. Adverse health effects increase as air quality deteriorates.

Ozone can cause breathing difficulties for children, older adults, and persons with respiratory problems. The advisory expires at 9 p.m. MST. Residents are urged to carpool, telecommute, or use mass transit; reduce or delay gasoline-powered equipment use until late in the day; and decrease physical activity. 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.

  1. National Weather Service retrieved 03/06/2026 16:11

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 03/06/2026 16:11. Every claim traces to a source.