Highlights
- The South Scottsdale air quality station recorded PM10 at 161.0 micrograms per cubic meter at midnight July 13.
- That reading crosses AirNow's Unhealthy for Sensitive Groups breakpoint for PM10 particulate matter.
- Ozone at the same station registered 55.0 parts per billion in the same hour.
- Maricopa County Air Quality Department is the reporting agency; current conditions and forecasts are available at AirNow's Phoenix-area page.
The South Scottsdale air quality monitoring station recorded PM10 particulate matter at 161.0 micrograms per cubic meter at midnight on July 13, according to the EPA AirNow public hourly aggregate reported by the Maricopa County Air Quality Department. That reading crosses AirNow's Unhealthy for Sensitive Groups breakpoint for PM10.
Ozone at the same station, AQS site ID 040133003, registered 55.0 parts per billion in the same hour.
For current conditions, active alerts, and forecast guidance, the AirNow Phoenix-area page is the authoritative source. For health guidance specific to Maricopa County, Maricopa County Air Quality Department issues High Pollution Advisories and operates an email and text alert system for residents monitoring dust and particulate events.
Updated hourly readings for the South Scottsdale station are expected through the morning.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040133003 retrieved 13/07/2026 01:35
- Maricopa County retrieved 13/07/2026 01:35
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 13/07/2026 01:35. Every claim traces to a source.
