Highlights
- ADEQ issued an Ozone High Pollution Advisory for the Phoenix metro area on Thursday, July 22.
- The advisory runs through 9 p.m. Thursday; ozone levels are expected to reach concentrations that pose a health risk.
- Children, older adults, and people with respiratory conditions face the greatest risk and are advised to reduce physical activity.
- Carpooling, mass transit, and delaying gasoline-powered equipment use until late in the day are recommended.
The Arizona Department of Environmental Quality has issued an Ozone High Pollution Advisory for the Phoenix metro area, effective Thursday, July 22, and running through 9 p.m. Thursday, July 23, according to a National Weather Service alert issued at 8:53 a.m.
Forecast weather conditions combined with existing ozone levels are expected to produce local maximum 8-hour ozone concentrations that pose a health risk, ADEQ said. The agency notes that adverse health effects increase as air quality deteriorates.
Ozone can cause breathing difficulties for children, older adults, and people with respiratory problems. A decrease in physical activity is recommended for those groups.
Residents are urged to carpool, telecommute, or use mass transit. Use of gasoline-powered equipment should be reduced or deferred until late in the day.
Full advisory details and real-time Phoenix-area ozone forecasts are available at azdeq.gov/forecast/phoenix or by calling 602-771-2300.
The advisory expires at 9 p.m. Thursday.
Sources
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- api.weather.gov 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.
