Highlights
- The South Scottsdale air monitor recorded PM10 at 178.0 UG/M3 at 3 a.m. on Aug. 31, 2026.
- That reading crossed AirNow's Unhealthy for Sensitive Groups breakpoint for PM10 particulate matter.
- Ozone at the same station measured 38.0 PPB during the same hour.
- Maricopa County Air Quality Department is the reporting agency; current conditions are available via AirNow's Phoenix-area page.
The air quality monitor at South Scottsdale (AQS site ID 040133003), operated by the Maricopa County Air Quality Department, recorded PM10 particulate matter at 178.0 UG/M3 at 3 a.m. on Aug. 31, 2026, according to the EPA AirNow public hourly aggregate. That reading crossed AirNow's Unhealthy for Sensitive Groups breakpoint for PM10.
Ozone at the same station during the same hour measured 38.0 PPB.
The reading was reported through the EPA AirNow public hourly aggregate and attributed to the Maricopa County Air Quality Department. Maricopa County offers email and text alerts when a High Pollution Advisory is issued or when dust pollution levels rise at selected monitoring locations; sign-up is available at the county's air quality page.
For current conditions, forecasts, and any active alerts for the Phoenix area, the AirNow Phoenix page is updated hourly.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040133003 retrieved 31/08/2026 04:22
- Maricopa County retrieved 31/08/2026 04:22
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 31/08/2026 04:22. Every claim traces to a source.
