Highlights
- The Central Phoenix air monitoring station recorded PM10 at 181.0 micrograms per cubic meter at 7 p.m. Friday.
- That level crosses AirNow's Unhealthy for Sensitive Groups breakpoint for PM10 particulate matter.
- Maricopa County Air Quality Department is the reporting agency; current conditions and alerts are posted at AirNow's Phoenix page.
The Central Phoenix air monitoring station (AQS site ID 040133002) recorded PM10 particulate matter at 181.0 micrograms per cubic meter at 7 p.m. Friday, July 11, according to EPA AirNow hourly aggregate data reported by the Maricopa County Air Quality Department. That reading crosses AirNow's Unhealthy for Sensitive Groups breakpoint for PM10.
Other pollutants at the same station and hour: carbon monoxide at 0.2 parts per million, nitrogen dioxide at 2.0 parts per billion, and ozone at 53.0 parts per billion.
Readers can track current conditions, forecasts, and any active advisories on AirNow's Phoenix-area page. Maricopa County also operates a Rapid Response Notification System for dust pollution alerts at selected monitoring locations. Health guidance, if issued, will come from Maricopa County Air Quality Department.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040133002 retrieved 11/07/2026 20:22
- Maricopa County retrieved 11/07/2026 20:22
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 11/07/2026 20:22. Every claim traces to a source.
