Highlights
- The South Scottsdale air quality station recorded PM10 at 406.0 micrograms per cubic meter at 7 p.m. Tuesday.
- That reading exceeds AirNow's unhealthy-for-sensitive-groups breakpoint for PM10 particulate matter.
- Ozone at the same station measured 52.0 parts per billion during the same hour.
- Maricopa County Air Quality Department is the reporting agency; current conditions are tracked at AirNow's Phoenix-area page.
The South Scottsdale air quality monitoring station (AQS site ID 040133003) recorded PM10 particulate matter at 406.0 micrograms per cubic meter at 7 p.m. Tuesday, according to EPA AirNow hourly data 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 measured 52.0 parts per billion during the same hour.
Residents can track current conditions and any active advisories for the Phoenix area through AirNow's Phoenix page. For health guidance, contact the Maricopa County Air Quality Department directly at maricopa.gov/1244/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 20:48
- Maricopa County retrieved 04/08/2026 20:48
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 20:48. Every claim traces to a source.
