Highlights
- The Pinnacle Peak Club House air monitor in north Scottsdale recorded ozone at 73.0 PPB at midnight on Aug. 28.
- That reading crosses AirNow's Unhealthy for Sensitive Groups breakpoint for ozone.
- Maricopa County Air Quality Department is the reporting agency; ADEQ has a High Pollution Advisory in effect for the Phoenix area through at least Wednesday.
- Residents can track current conditions and active alerts at AirNow's Phoenix-area page.
The air quality monitor at Pinnacle Peak Club House in north Scottsdale recorded ozone at 73.0 parts per billion at midnight Friday, Aug. 28, crossing AirNow's threshold for Unhealthy for Sensitive Groups, according to the EPA AirNow public hourly aggregate reported by the Maricopa County Air Quality Department.
The reading comes as the Arizona Department of Environmental Quality has a High Pollution Advisory in effect for today and Wednesday, with a High Pollution Watch in effect Thursday and Friday, according to the ADEQ Phoenix forecast page. Storm activity over southern Arizona is a contributing factor, ADEQ noted.
Sensitive groups, including people with respiratory or heart conditions, older adults, and children, are advised to consult Maricopa County Air Quality guidance. Current conditions and forecasts for the Phoenix area are available at AirNow.gov. The Pinnacle Peak Club House station carries AQS site ID 040132005.
Sources
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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 28/08/2026 01:21. Every claim traces to a source.
