Highlights
- The Pinnacle Peak Club House station recorded ozone at 86.0 PPB at 8 p.m. on Aug. 3, crossing the unhealthy-for-sensitive-groups threshold.
- The reading was reported by the Maricopa County Air Quality Department via the EPA AirNow network.
- Residents with respiratory sensitivities should check the AirNow Phoenix-area page for current forecasts and any active alerts.
The Maricopa County Air Quality Department recorded an ozone concentration of 86.0 parts per billion at the Pinnacle Peak Club House monitoring station in north Scottsdale at 8 p.m. Monday, Aug. 3, crossing AirNow's threshold for the "Unhealthy for Sensitive Groups" category.
The reading was captured by AQS site 040132005 and reported through the EPA AirNow public hourly aggregate. At that level, people with lung disease, older adults, children, and those who are unusually sensitive to ozone are the populations most at risk, according to Maricopa County Air Quality Department guidance.
Residents can track current conditions and any active alerts for the Phoenix area at the AirNow official Phoenix page. For health guidance specific to the reading, Maricopa County Air Quality Department is the authoritative source.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040132005 retrieved 03/08/2026 21:59
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 03/08/2026 21:59. Every claim traces to a source.
