Highlights
- ADEQ issued an Ozone High Pollution Advisory for the Phoenix Metro Area, including Maricopa County, through Monday.
- Forecast ozone levels are expected to pose health risks, particularly for children, older adults, and people with respiratory conditions.
- Residents are urged to carpool, telecommute, or use mass transit, and to avoid gasoline-powered equipment during peak hours.
- The advisory expires at 9 p.m. Monday; details are available at azdeq.gov/forecast/phoenix or by calling 602-771-2300.
The Arizona Department of Environmental Quality has issued an Ozone High Pollution Advisory for the Phoenix Metro Area through Monday evening, the National Weather Service relayed in an alert issued at 7:45 a.m. Sunday.
Forecast weather conditions combined with existing ozone levels are expected to produce local maximum 8-hour ozone concentrations that pose a health risk, according to the NWS alert. Adverse health effects increase as air quality deteriorates, the advisory states.
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. The use of gasoline-powered equipment should be reduced or shifted to later in the day.
Who is most at risk?
Ozone is an air contaminant that can cause breathing difficulties for children, older adults, and persons with respiratory problems. The advisory recommends a decrease in physical activity for those groups and asks all residents to reduce vehicle trips and gasoline-powered equipment use during peak ozone hours.
The advisory is in effect through 9 p.m. Monday, August 24. For current conditions and forecast updates, visit azdeq.gov/forecast/phoenix or call ADEQ at 602-771-2300.
Sources
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- api.weather.gov retrieved 23/08/2026 14:49
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 23/08/2026 14:49. Every claim traces to a source.
