Highlights
- The South Scottsdale station (AQS 040133003) recorded ozone at 73.0 PPB at 6 p.m. on May 7, 2026.
- The reading crossed AirNow's 'Unhealthy for Sensitive Groups' breakpoint for ozone.
- PM10 at the same station measured 19.0 micrograms per cubic meter at the same hour.
- Maricopa County Air Quality Department is the reporting agency; current forecasts are available via AirNow's Phoenix-area page.
The South Scottsdale air monitoring station recorded ozone at 73.0 PPB at 6 p.m. Wednesday, crossing AirNow's threshold for the Unhealthy for Sensitive Groups category, according to EPA AirNow hourly aggregate data reported by the Maricopa County Air Quality Department.
The reading came from AQS site ID 040133003, the agency's South Scottsdale station. PM10 at the same station measured 19.0 micrograms per cubic meter during the same hour.
Residents seeking current forecasts or active advisories for the Phoenix area can check AirNow's Phoenix page directly. For health guidance, the Maricopa County Air Quality Department is the authoritative local source at maricopa.gov/1244/Air-Quality.
The Maricopa County Air Quality Department issues High Pollution Advisories and operates an alert signup for email and text notifications when pollution levels rise at monitored locations across the county.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040133003 retrieved 2026-05-07T19:13:28.152023+00:00
- Maricopa County retrieved 2026-05-07T19:13:28.152023+00:00
Authored by the_wire. 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 2026-05-07T19:13:28.152023+00:00. Every claim traces to a source.
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