Highlights
- The South Scottsdale air monitor recorded PM10 at 2,509.0 micrograms per cubic meter at 5 a.m. Tuesday.
- The reading crossed AirNow's threshold for Unhealthy for Sensitive Groups, the Maricopa County Air Quality Department reported.
- Ozone at the same station measured 39.0 parts per billion during the same hour.
- Residents can track current conditions and any active advisories at AirNow's Phoenix-area page.
The South Scottsdale air monitoring station (AQS site ID 040133003) recorded PM10 at 2,509.0 micrograms per cubic meter at 5 a.m. Tuesday, according to the EPA AirNow public hourly aggregate compiled by the Maricopa County Air Quality Department. The reading crossed AirNow's threshold for Unhealthy for Sensitive Groups or worse for PM10 particulate matter.
Ozone at the same station measured 39.0 parts per billion during the same hour.
For current conditions, forecasts, and any active advisories, the Maricopa County Air Quality Department maintains real-time monitoring data. Residents can also check the AirNow Phoenix-area page for updated readings. Any health guidance should be sourced directly from Maricopa County Air Quality.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040133003 retrieved 04/08/2026 06:48
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 04/08/2026 06:48. Every claim traces to a source.
