Highlights
- The Fountain Hills air monitor recorded ozone at 96.0 parts per billion at 1 a.m. on July 15, 2026.
- That reading crossed AirNow's Unhealthy for Sensitive Groups breakpoint for ozone, according to EPA AirNow data.
- Maricopa County Air Quality Department is the reporting agency; current forecasts and active alerts are available at AirNow's Phoenix-area page.
The Maricopa County Air Quality Department monitoring station in Fountain Hills recorded ozone at 96.0 parts per billion at 1 a.m. Wednesday, crossing AirNow's Unhealthy for Sensitive Groups breakpoint for ozone, according to EPA AirNow hourly data for AQS site 040139704.
For current forecasts and any active advisories covering the Phoenix area, including Fountain Hills, see the AirNow Phoenix-area page. Health guidance for sensitive groups should be sought directly from Maricopa County Air Quality.
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 02:52
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 02:52. Every claim traces to a source.
