Highlights
- The Fountain Hills air monitor recorded ozone at 73.0 parts per billion at 8 p.m. on July 2, 2026.
- The reading crossed AirNow's threshold for the 'Unhealthy for Sensitive Groups' category for ozone.
- Maricopa County Air Quality Department is the reporting agency; current conditions and forecasts are available at AirNow.
The Maricopa County Air Quality Department's monitoring station in Fountain Hills recorded an ozone concentration of 73.0 parts per billion at 8 p.m. Wednesday, a level that crossed AirNow's threshold for the Unhealthy for Sensitive Groups category.
The reading was logged at AQS site ID 040139704 and reported through the EPA AirNow public hourly aggregate. Residents who may be affected by elevated ozone should check the AirNow Phoenix-area page for the current forecast and any active advisories. For health guidance specific to Maricopa County, the Maricopa County Air Quality Department is the authoritative source.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040139704 retrieved 02/07/2026 21:13
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 02/07/2026 21:13. Every claim traces to a source.
