Highlights
- South Scottsdale's AQS monitoring station recorded ozone at 75.0 PPB at 9 p.m. Tuesday, June 10.
- The reading crossed AirNow's unhealthy-for-sensitive-groups breakpoint for ozone.
- PM10 at the same station measured 25.0 micrograms per cubic meter at the same hour.
- Maricopa County Air Quality Department is the reporting agency; current conditions are available at AirNow's Phoenix-area page.
The EPA AirNow monitoring station at South Scottsdale (AQS site ID 040133003) recorded ozone at 75.0 PPB at 9 p.m. Tuesday, June 10, crossing AirNow's unhealthy-for-sensitive-groups breakpoint for ozone, according to the Maricopa County Air Quality Department via the EPA AirNow public hourly aggregate.
PM10 at the same station measured 25.0 micrograms per cubic meter during the same reporting hour.
The reading was reported by the Maricopa County Air Quality Department, which operates the South Scottsdale station. Readers can track current conditions and any active advisories for the Phoenix area through AirNow's Phoenix-area page. For any health guidance, consult the Maricopa County Air Quality Department directly.
Updated hourly readings for the South Scottsdale station are available through the EPA AirNow public hourly aggregate.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040133003 retrieved 10/06/2026 22:18
- Maricopa County retrieved 10/06/2026 22:18
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 10/06/2026 22:18. Every claim traces to a source.
