Highlights
- The South Scottsdale station (AQS 040133003) recorded ozone at 88.0 PPB at 9 p.m. on June 20.
- That reading crossed AirNow's Unhealthy for Sensitive Groups breakpoint for ozone.
- PM10 at the same station measured 26.0 micrograms per cubic meter at the same hour.
- Maricopa County Air Quality Department is the reporting agency; current conditions and forecasts are available at AirNow.
The South Scottsdale air monitoring station recorded ozone at 88.0 parts per billion at 9 p.m. Saturday, June 20, crossing AirNow's Unhealthy for Sensitive Groups threshold, according to EPA AirNow hourly aggregate data reported by the Maricopa County Air Quality Department.
The station, identified by AQS site ID 040133003, also recorded particulate matter (PM10) at 26.0 micrograms per cubic meter during the same hour.
Maricopa County Air Quality Department is the reporting agency for this station. Residents seeking current forecasts, active advisories, or health guidance should check the AirNow Phoenix-area page directly. For any issued High Pollution Advisory, Maricopa County also offers email and text alert sign-ups at its air quality page.
Updated hourly readings for the South Scottsdale station are available through AirNow as conditions develop.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040133003 retrieved 20/06/2026 22:56
- Maricopa County retrieved 20/06/2026 22:56
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 20/06/2026 22:56. Every claim traces to a source.
