Highlights
- The Fountain Hills air quality station recorded ozone at 74.0 PPB at 9 p.m. on July 24, 2026.
- The reading crossed AirNow's unhealthy-for-sensitive-groups breakpoint for ozone.
- The Maricopa County Air Quality Department operates the station; residents can check current conditions and forecasts at AirNow.
The Maricopa County Air Quality Department monitoring station in Fountain Hills recorded ozone at 74.0 parts per billion at 9 p.m. Thursday, July 24, crossing AirNow's unhealthy-for-sensitive-groups breakpoint for ozone, according to EPA AirNow hourly data from station AQS site ID 040139704.
The town of Fountain Hills directs residents with questions about county air quality regulations and programs to the Maricopa County Air Quality Department at 602-506-6010, per the town's air quality page.
Residents can monitor current readings and any active advisories for the Phoenix area at AirNow's Phoenix forecast page. For health guidance specific to sensitive groups, consult Maricopa County Air Quality 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 24/07/2026 22:17
- fountainhillsaz.gov retrieved 24/07/2026 22:17
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 24/07/2026 22:17. Every claim traces to a source.
