Highlights
- The Fountain Hills air quality station recorded ozone at 76.0 PPB at 9 p.m. on July 3, 2026.
- The reading crossed AirNow's unhealthy-for-sensitive-groups breakpoint for ozone.
- The Maricopa County Air Quality Department is the reporting agency for the station.
- Readers can track current conditions and forecasts at AirNow's Phoenix-area page.
The Maricopa County Air Quality Department recorded an ozone concentration of 76.0 parts per billion at the Fountain Hills monitoring station (AQS site ID 040139704) at 9 p.m. Thursday, July 3, according to EPA AirNow hourly data. The 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 seeking current conditions, forecasts, and any active alerts for the Phoenix area can monitor AirNow's Phoenix-area page. For health guidance specific to the reading, consult the Maricopa County Air Quality Department directly.
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 22:13
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 22:13. Every claim traces to a source.
