Highlights
- Maricopa County is under an Ozone High Pollution Advisory for Monday, August 10, and Tuesday, August 11.
- The advisory was issued because ozone levels are forecast to exceed the federal health standard.
- The Arizona Department of Environmental Quality issues these advisories; residents can check azdeq.gov/forecast/phoenix for updates.
Maricopa County is under an Ozone High Pollution Advisory for Monday, August 10, and Tuesday, August 11, 2026, with ozone levels expected to accumulate enough to exceed the federal health standard.
The advisory was issued by Maricopa County and covers the Phoenix metro area, including Scottsdale. Residents with respiratory sensitivities are typically advised to limit prolonged outdoor activity during elevated ozone periods, though the county's notice does not specify additional guidance beyond the advisory itself.
This is at least the fourth ozone advisory issued for Maricopa County since May 2026. Earlier advisories covered May 1 and 2, July 1 through 3, and July 23 and 24.
Current air quality forecasts and additional detail are available at azdeq.gov/forecast/phoenix or by calling 602-771-2300.
Sources
Every factual claim in this article traces to one of the sources below. See how we work for the editorial process.
- Maricopa County retrieved 10/08/2026 17:45
- Maricopa County retrieved 10/08/2026 17:45
- Maricopa County retrieved 10/08/2026 17:45
- Maricopa County retrieved 10/08/2026 17:45
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 10/08/2026 17:45. Every claim traces to a source.
