Highlights
- The West Phoenix air monitor recorded ozone at 72.0 PPB at 8 p.m. Saturday, June 20, 2026.
- That reading crosses AirNow's 'Unhealthy for Sensitive Groups' breakpoint for ozone.
- Maricopa County Air Quality Department is the reporting agency; readers can track current conditions and forecasts on AirNow's Phoenix page.
The West Phoenix air monitoring station (AQS site ID 040130019) recorded ozone at 72.0 PPB at 8 p.m. Saturday, June 20, crossing AirNow's threshold for Unhealthy for Sensitive Groups, according to data published by the EPA AirNow public hourly aggregate and reported by the Maricopa County Air Quality Department.
Other pollutants at the same station and hour were within normal ranges: carbon monoxide at 0.1 PPM, nitrogen dioxide at 3.0 PPB, PM10 at 22.0 UG/M3, and PM2.5 at 3.2 UG/M3.
Readers seeking current forecasts, active advisories, or health guidance should check AirNow's Phoenix-area page or contact the Maricopa County Air Quality Department directly for any official guidance.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040130019 retrieved 20/06/2026 21:56
- Maricopa County retrieved 20/06/2026 21:56
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 20/06/2026 21:56. Every claim traces to a source.
