Highlights
- The Pinnacle Peak Club House monitoring station in north Scottsdale recorded ozone at 81.0 PPB at 1 a.m. on July 3.
- That reading crosses AirNow's Unhealthy for Sensitive Groups breakpoint for ozone.
- The reading comes from the EPA AirNow network, reported by the Maricopa County Air Quality Department.
- Readers can track current conditions and active alerts on AirNow's Phoenix-area page.
The Maricopa County Air Quality Department's Pinnacle Peak Club House monitoring station in north Scottsdale recorded ozone at 81.0 parts per billion at 1 a.m. Thursday, July 3, crossing AirNow's Unhealthy for Sensitive Groups threshold for ozone.
The reading was reported through the EPA AirNow public hourly aggregate network, which assigns the station AQS site ID 040132005. Sensitive groups, including people with respiratory conditions, children, and older adults, are typically advised to limit prolonged outdoor exertion when ozone reaches this level, according to Maricopa County Air Quality Department guidance.
For the current Phoenix-area forecast and any active advisories, readers can check AirNow's Phoenix page directly. Updated hourly readings are expected through the morning.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040132005 retrieved 03/07/2026 02:13
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 03/07/2026 02:13. Every claim traces to a source.
