Highlights
- The Fountain Hills air monitor recorded ozone at 74.0 parts per billion at 3 a.m. on July 15, 2026.
- The reading crossed AirNow's threshold for conditions unhealthy for sensitive groups.
- Maricopa County Air Quality Department is the reporting agency for the station.
- Current forecasts and any active alerts are available on the AirNow Phoenix-area page.
The Maricopa County Air Quality Department monitoring station in Fountain Hills recorded ozone at 74.0 parts per billion at 3 a.m. Wednesday, July 15, a level that crossed AirNow's threshold for conditions unhealthy for sensitive groups.
The reading came from AQS site ID 040139704, the Fountain Hills station in the EPA AirNow public hourly aggregate. Maricopa County Air Quality Department is the reporting agency.
Residents in sensitive groups, including those with respiratory or cardiovascular conditions, should check the AirNow Phoenix-area forecast page for current conditions and any active advisories. The Town of Fountain Hills notes it works with the EPA on air-quality standards in the area.
The AirNow Phoenix-area page carries the current forecast and any active alerts.
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 04:52
- fountainhillsaz.gov retrieved 15/07/2026 04:52
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 04:52. Every claim traces to a source.
