The National Weather Service issued an Air Quality Warning for Maricopa County on May 10 at 7:44 am. This alert he will expire on May 11th at 9pm.
For the latest observations and alerts, see: our weather alert page.
Phoenix ozone levels 5th worst nationwide in 3 yearsaccording to the American Lung Association 2023 Aviation Situation Reportbut Arizona had fewer unhealthy days overall.
How can I protect myself on a highly polluted day?
Poor air quality Arizona Department of Environmental Quality We encourage you to pay more attention to being outdoors. Ozone levels are usually highest in the afternoon, so consider rescheduling activities and taking more breaks.
To avoid health risks associated with ozone:
Play or exercise outdoors before noon to reduce exposure.
Limit vehicle idling if possible.
Refuel your car or gas-powered equipment as late as possible.
car pool.
Combine travel.
Limit vehicle idling by avoiding drive-thru and excessive idling due to long left turn wait times.
This article was produced by the Republic of Arizona and the USA TODAY network using data published by the National Weather Service. Edited by staff.