Highlights
- The Fountain Hills air monitor recorded ozone at 85.0 PPB at midnight July 15, crossing the unhealthy-for-sensitive-groups threshold.
- The reading was reported by the Maricopa County Air Quality Department via the EPA AirNow network at AQS site 040139704.
- Residents in sensitive groups 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 85.0 parts per billion at the Fountain Hills monitoring station (AQS site ID 040139704) at midnight on July 15, 2026, crossing the EPA AirNow threshold for Unhealthy for Sensitive Groups.
The reading was reported through the EPA AirNow public hourly aggregate feed. Sensitive groups, including people with respiratory or cardiovascular conditions, children, and older adults, are advised to consult the AirNow Phoenix-area forecast page for current conditions and any active advisories. Health guidance, if issued, will come from Maricopa County Air Quality.
The Town of Fountain Hills maintains an air quality and dust control page with information on local monitoring and compliance efforts. Updated readings are available at the AirNow 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 15/07/2026 01:52
- fountainhillsaz.gov retrieved 15/07/2026 01:52
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 15/07/2026 01:52. Every claim traces to a source.
