Highlights
- The Fountain Hills air monitor recorded ozone at 74.0 PPB at 11 p.m. on July 2, 2026.
- That reading crossed AirNow's Unhealthy for Sensitive Groups breakpoint for ozone.
- The Maricopa County Air Quality Department is the reporting agency for the station.
- Residents can check current conditions and active alerts at AirNow's Phoenix-area page.
The air quality monitor at Fountain Hills recorded ozone at 74.0 parts per billion at 11 p.m. Wednesday, according to the EPA AirNow public hourly aggregate reported by the Maricopa County Air Quality Department. That reading crossed AirNow's Unhealthy for Sensitive Groups breakpoint for ozone.
The station carrying the reading is AQS site ID 040139704 in Fountain Hills. The Maricopa County Air Quality Department is the reporting agency for the monitor.
Residents in sensitive groups, including those with respiratory or cardiovascular conditions, should consult the Maricopa County Air Quality Department for any guidance issued in response to elevated readings. Current conditions, forecasts, and any active alerts for the Phoenix area are available at AirNow's Phoenix page.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040139704 retrieved 03/07/2026 00:13
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 00:13. Every claim traces to a source.
