Highlights
- The Fountain Hills air quality station recorded ozone at 72.0 PPB at 9 p.m. on July 13, crossing the unhealthy-for-sensitive-groups threshold.
- The reading was reported by the Maricopa County Air Quality Department via the EPA AirNow network.
- Residents can check current conditions and active alerts at the AirNow Phoenix-area page.
The Maricopa County Air Quality Department recorded ozone at 72.0 parts per billion at its Fountain Hills monitoring station (AQS site ID 040139704) at 9 p.m. Monday, July 13, crossing the AirNow threshold for unhealthy-for-sensitive-groups conditions.
The reading was reported through the EPA AirNow public hourly aggregate. For current conditions, forecasts, and any active advisories covering the Phoenix area, residents can visit the AirNow Phoenix-area page. For guidance specific to Maricopa County, the Air Quality Department is the authoritative source.
The town of Fountain Hills maintains its own air quality and dust control resources in coordination with the EPA and area municipalities. Updated readings are expected with the next hourly aggregate.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040139704 retrieved 13/07/2026 22:35
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 13/07/2026 22:35. Every claim traces to a source.
