Highlights
- The South Scottsdale monitoring station (AQS 040133003) recorded PM10 at 416.0 micrograms per cubic meter at 8 p.m. Tuesday.
- The reading crossed AirNow's unhealthy-for-sensitive-groups breakpoint for PM10 particulate matter.
- Ozone at the same station registered 57.0 parts per billion during the same hour.
- Maricopa County Air Quality Department is the reporting agency; current forecasts are available at AirNow's Phoenix-area page.
The South Scottsdale air quality monitoring station recorded PM10 particulate matter at 416.0 micrograms per cubic meter at 8 p.m. Tuesday, according to EPA AirNow hourly data reported by the Maricopa County Air Quality Department. The reading crossed AirNow's unhealthy-for-sensitive-groups breakpoint for PM10.
Ozone at the same station (AQS site ID 040133003) measured 57.0 parts per billion during the same hour.
For active alerts and the current Phoenix-area forecast, the AirNow Phoenix page is updated hourly. For health guidance, consult the Maricopa County Air Quality Department directly.
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 21:48
- Maricopa County retrieved 04/08/2026 21:48
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 21:48. Every claim traces to a source.
