Highlights
- PM10 at the South Scottsdale air monitoring station reached 156.0 µg/m³ at 9 p.m. Sunday, July 12.
- The reading crossed AirNow's Unhealthy for Sensitive Groups breakpoint for coarse particulate matter.
- Ozone at the same station registered 64.0 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 South Scottsdale air monitoring station (AQS site ID 040133003) recorded PM10 at 156.0 µg/m³ at 9 p.m. Sunday, July 12, 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 during the same hour measured 64.0 ppb.
The Maricopa County Air Quality Department is the reporting agency for the station. Residents seeking current forecasts, active advisories, or health guidance can monitor the AirNow Phoenix-area page for updates. The county also offers email and text alerts when a High Pollution Advisory is issued or when dust pollution levels rise at selected monitoring locations, available through the Maricopa County Air Quality Department.
The next hourly reading from the South Scottsdale station is expected at 10 p.m.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040133003 retrieved 12/07/2026 22:35
- Maricopa County retrieved 12/07/2026 22:35
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 12/07/2026 22:35. Every claim traces to a source.