Highlights
- The Pinnacle Peak Club House monitoring station recorded ozone at 76.0 PPB at 11 p.m. Saturday, Aug. 8.
- That level crosses AirNow's 'Unhealthy for Sensitive Groups' breakpoint for ozone.
- The reading is reported by the Maricopa County Air Quality Department via the EPA AirNow network.
- Residents can check 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 76.0 parts per billion at 11 p.m. Saturday, Aug. 8, crossing AirNow's threshold for the Unhealthy for Sensitive Groups category.
The reading comes from AQS site ID 040132005, operated by the Maricopa County Air Quality Department and reported through the EPA AirNow public hourly aggregate. Sensitive groups, including people with respiratory conditions, the elderly, and children, are advised to consult Maricopa County Air Quality for any guidance.
Current conditions, forecasts, and any active alerts for the Phoenix area are available at AirNow's Phoenix page. The Arizona Department of Environmental Quality also maintains a Phoenix air quality forecast updated daily.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040132005 retrieved 09/08/2026 00:45
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 09/08/2026 00:45. Every claim traces to a source.