Highlights
- The West Phoenix air monitor recorded PM2.5 at 160.0 UG/M3 at 6 a.m. Sunday, crossing AirNow's Unhealthy for Sensitive Groups breakpoint.
- PM10 at the same station reached 196.0 UG/M3, also at or above the Unhealthy for Sensitive Groups threshold.
- Maricopa County Air Quality Department is the reporting agency; current Phoenix-area conditions and any active alerts are available on AirNow.
The West Phoenix air monitoring station (AQS site ID 040130019) recorded PM2.5 particulate matter at 160.0 UG/M3 at 6 a.m. Sunday, July 5, crossing AirNow's threshold for Unhealthy for Sensitive Groups, according to EPA AirNow hourly aggregate data reported by the Maricopa County Air Quality Department.
PM10 at the same station reached 196.0 UG/M3 in the same hour, also at or above the Unhealthy for Sensitive Groups breakpoint. Other pollutants recorded at the station: carbon monoxide at 0.9 PPM, nitrogen dioxide at 33.0 PPB, and ozone at 2.0 PPB.
For current Phoenix-area air quality conditions, forecasts, and any active advisories, the Maricopa County Air Quality Department directs residents to AirNow's Phoenix page. Health guidance, if any is issued, will come from Maricopa County Air Quality. Updated hourly readings are expected through the morning.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- 040130019 retrieved 05/07/2026 07:27
- Maricopa County retrieved 05/07/2026 07:27
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 05/07/2026 07:27. Every claim traces to a source.
