Highlights
- The South Scottsdale air monitoring station logged PM10 at 184.0 µg/m³ at 3 a.m. on Sept. 15, 2026.
- That reading crosses AirNow's Unhealthy for Sensitive Groups breakpoint for coarse particulate matter.
- Ozone at the same station measured 34.0 ppb, within normal range, during the same hour.
- Maricopa County Air Quality Department is the reporting agency; current conditions are available on AirNow.
The South Scottsdale air monitoring station (AQS site ID 040133003) recorded PM10 at 184.0 µg/m³ at 3 a.m. Tuesday, crossing AirNow's Unhealthy for Sensitive Groups breakpoint for coarse particulate matter, according to the EPA AirNow public hourly aggregate reported by the Maricopa County Air Quality Department.
Ozone at the same station measured 34.0 ppb during the same hour, within normal range per the same reading.
For current conditions, active advisories, and forecast data for the Phoenix area, the AirNow Phoenix page is updated hourly. Maricopa County Air Quality Department issues High Pollution Advisories and dust alerts via email and text notification; sign-up is available through the county air quality page.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040133003 retrieved 15/09/2026 04:23
- Maricopa County retrieved 15/09/2026 04:23
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 15/09/2026 04:23. Every claim traces to a source.
