Highlights

The South Scottsdale air monitoring station (AQS site ID 040133003) recorded PM10 at 270.0 µg/m³ at midnight Thursday, June 18, crossing the AirNow threshold for unhealthy-for-sensitive-groups conditions, according to the EPA AirNow hourly aggregate published by the Maricopa County Air Quality Department.

Ozone at the same station measured 38.0 PPB during the same hour.

The Maricopa County Air Quality Department is the reporting agency for the station. Residents can sign up to receive email or text alerts when a High Pollution Advisory is issued or when dust pollution levels rise at selected monitoring locations through the county's air quality page.

Current conditions, forecasts, and any active advisories for the Phoenix area are available at AirNow's Phoenix-area page. For health guidance specific to elevated PM10 levels, consult Maricopa County Air Quality.

Sources

Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.

  1. 040133003 retrieved 18/06/2026 01:56
  2. Maricopa County retrieved 18/06/2026 01:56

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 18/06/2026 01:56. Every claim traces to a source.