Highlights
- The South Scottsdale air monitor (AQS 040133003) recorded ozone at 94.0 PPB at 8 p.m. Tuesday, July 14.
- That reading crossed AirNow's Unhealthy for Sensitive Groups breakpoint for ozone.
- PM10 at the same station and hour measured 4.0 micrograms per cubic meter.
- Maricopa County Air Quality Department is the reporting agency; current conditions are tracked at AirNow's Phoenix-area page.
The South Scottsdale air quality monitor recorded ozone at 94.0 parts per billion at 8 p.m. Tuesday, July 14, crossing AirNow's Unhealthy for Sensitive Groups threshold, according to EPA AirNow hourly data reported by the Maricopa County Air Quality Department.
The reading came from AQS site 040133003, the agency's South Scottsdale station. PM10 at the same station and hour measured 4.0 micrograms per cubic meter.
Maricopa County Air Quality Department is the responsible reporting agency for the Phoenix metro monitoring network. The department runs a summer air quality awareness campaign, "Help Keep Ozone Away, Commit to One Day", and offers email and text alerts when High Pollution Advisories are issued.
For current conditions, active advisories, and forecast guidance, readers can check AirNow's Phoenix-area page directly. Health guidance for sensitive groups should be sought from Maricopa County Air Quality Department.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040133003 retrieved 14/07/2026 21:52
- Maricopa County retrieved 14/07/2026 21:52
- Maricopa County retrieved 14/07/2026 21:52
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 14/07/2026 21:52. Every claim traces to a source.
